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Finding the Fourth Proportional to 40,372.32, 55,715.04 and 22,468.32

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Solution

The fourth proportional to 40,372.32, 55,715.04 and 22,468.32 is: 31,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.32 : 55,715.04 = 22,468.32 : x
  2. Step 2: Convert to fraction form
    40,372.32/55,715.04 = 22,468.32/x
  3. Step 3: Cross multiply
    40,372.32x = 55,715.04 × 22,468.32
  4. Step 4: Simplify right side
    40,372.32x = 1,251,823,347.53
  5. Step 5: Solve for x
    x = 1,251,823,347.53/40,372.32
  6. Step 6: Final answer
    x = 31,006.97

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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.