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Finding the Fourth Proportional to 63,466.28, 87,593.10 and 40,506

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Solution

The fourth proportional to 63,466.28, 87,593.10 and 40,506 is: 55,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,466.28 : 87,593.10 = 40,506 : x
  2. Step 2: Convert to fraction form
    63,466.28/87,593.10 = 40,506/x
  3. Step 3: Cross multiply
    63,466.28x = 87,593.10 × 40,506
  4. Step 4: Simplify right side
    63,466.28x = 3,548,046,108.60
  5. Step 5: Solve for x
    x = 3,548,046,108.60/63,466.28
  6. Step 6: Final answer
    x = 55,904.43

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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.