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Finding the Fourth Proportional to 12,261.03, 16,922.15 and 7,482.02

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Solution

The fourth proportional to 12,261.03, 16,922.15 and 7,482.02 is: 10,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.03 : 16,922.15 = 7,482.02 : x
  2. Step 2: Convert to fraction form
    12,261.03/16,922.15 = 7,482.02/x
  3. Step 3: Cross multiply
    12,261.03x = 16,922.15 × 7,482.02
  4. Step 4: Simplify right side
    12,261.03x = 126,611,798.84
  5. Step 5: Solve for x
    x = 126,611,798.84/12,261.03
  6. Step 6: Final answer
    x = 10,326.36

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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.