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Finding the Fourth Proportional to 12,047.50, 16,625.93 and 6,742.31

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Solution

The fourth proportional to 12,047.50, 16,625.93 and 6,742.31 is: 9,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.50 : 16,625.93 = 6,742.31 : x
  2. Step 2: Convert to fraction form
    12,047.50/16,625.93 = 6,742.31/x
  3. Step 3: Cross multiply
    12,047.50x = 16,625.93 × 6,742.31
  4. Step 4: Simplify right side
    12,047.50x = 112,097,057.26
  5. Step 5: Solve for x
    x = 112,097,057.26/12,047.50
  6. Step 6: Final answer
    x = 9,304.59

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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.