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Finding the Fourth Proportional to 12,045.88, 16,624.29 and 6,741.19

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Solution

The fourth proportional to 12,045.88, 16,624.29 and 6,741.19 is: 9,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.88 : 16,624.29 = 6,741.19 : x
  2. Step 2: Convert to fraction form
    12,045.88/16,624.29 = 6,741.19/x
  3. Step 3: Cross multiply
    12,045.88x = 16,624.29 × 6,741.19
  4. Step 4: Simplify right side
    12,045.88x = 112,067,497.51
  5. Step 5: Solve for x
    x = 112,067,497.51/12,045.88
  6. Step 6: Final answer
    x = 9,303.39

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Half scale
Find fourth proportional to 24,091.76, 33,248.58 and 13,482.38
Double scale
Find fourth proportional to 12,046.88, 16,625.67 and 6,742.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.