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Finding the Fourth Proportional to 53,465.72, 73,781.91 and 29,591.87

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Solution

The fourth proportional to 53,465.72, 73,781.91 and 29,591.87 is: 40,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.72 : 73,781.91 = 29,591.87 : x
  2. Step 2: Convert to fraction form
    53,465.72/73,781.91 = 29,591.87/x
  3. Step 3: Cross multiply
    53,465.72x = 73,781.91 × 29,591.87
  4. Step 4: Simplify right side
    53,465.72x = 2,183,344,320.16
  5. Step 5: Solve for x
    x = 2,183,344,320.16/53,465.72
  6. Step 6: Final answer
    x = 40,836.34

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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.