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Finding the Fourth Proportional to 29,503.71, 40,715.59 and 16,074.96

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Solution

The fourth proportional to 29,503.71, 40,715.59 and 16,074.96 is: 22,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.71 : 40,715.59 = 16,074.96 : x
  2. Step 2: Convert to fraction form
    29,503.71/40,715.59 = 16,074.96/x
  3. Step 3: Cross multiply
    29,503.71x = 40,715.59 × 16,074.96
  4. Step 4: Simplify right side
    29,503.71x = 654,501,480.63
  5. Step 5: Solve for x
    x = 654,501,480.63/29,503.71
  6. Step 6: Final answer
    x = 22,183.70

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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.