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Finding the Fourth Proportional to 29,593.80, 40,839.69 and 16,164.81

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Solution

The fourth proportional to 29,593.80, 40,839.69 and 16,164.81 is: 22,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,593.80 : 40,839.69 = 16,164.81 : x
  2. Step 2: Convert to fraction form
    29,593.80/40,839.69 = 16,164.81/x
  3. Step 3: Cross multiply
    29,593.80x = 40,839.69 × 16,164.81
  4. Step 4: Simplify right side
    29,593.80x = 660,165,829.31
  5. Step 5: Solve for x
    x = 660,165,829.31/29,593.80
  6. Step 6: Final answer
    x = 22,307.57

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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.