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Finding the Fourth Proportional to 40,389.55, 55,737.78 and 22,484.52

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Solution

The fourth proportional to 40,389.55, 55,737.78 and 22,484.52 is: 31,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.55 : 55,737.78 = 22,484.52 : x
  2. Step 2: Convert to fraction form
    40,389.55/55,737.78 = 22,484.52/x
  3. Step 3: Cross multiply
    40,389.55x = 55,737.78 × 22,484.52
  4. Step 4: Simplify right side
    40,389.55x = 1,253,237,229.17
  5. Step 5: Solve for x
    x = 1,253,237,229.17/40,389.55
  6. Step 6: Final answer
    x = 31,028.75

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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.