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Finding the Fourth Proportional to 54,471.80, 75,168.24 and 36,564.32

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Solution

The fourth proportional to 54,471.80, 75,168.24 and 36,564.32 is: 50,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,471.80 : 75,168.24 = 36,564.32 : x
  2. Step 2: Convert to fraction form
    54,471.80/75,168.24 = 36,564.32/x
  3. Step 3: Cross multiply
    54,471.80x = 75,168.24 × 36,564.32
  4. Step 4: Simplify right side
    54,471.80x = 2,748,475,581.20
  5. Step 5: Solve for x
    x = 2,748,475,581.20/54,471.80
  6. Step 6: Final answer
    x = 50,456.85

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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.