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Finding the Fourth Proportional to 29,043.12, 40,084.04 and 16,301.47

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Solution

The fourth proportional to 29,043.12, 40,084.04 and 16,301.47 is: 22,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.12 : 40,084.04 = 16,301.47 : x
  2. Step 2: Convert to fraction form
    29,043.12/40,084.04 = 16,301.47/x
  3. Step 3: Cross multiply
    29,043.12x = 40,084.04 × 16,301.47
  4. Step 4: Simplify right side
    29,043.12x = 653,428,593.82
  5. Step 5: Solve for x
    x = 653,428,593.82/29,043.12
  6. Step 6: Final answer
    x = 22,498.57

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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.