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Finding the Fourth Proportional to 63,134.64, 94,637.88 and 40,962.16

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Solution

The fourth proportional to 63,134.64, 94,637.88 and 40,962.16 is: 61,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.64 : 94,637.88 = 40,962.16 : x
  2. Step 2: Convert to fraction form
    63,134.64/94,637.88 = 40,962.16/x
  3. Step 3: Cross multiply
    63,134.64x = 94,637.88 × 40,962.16
  4. Step 4: Simplify right side
    63,134.64x = 3,876,571,982.62
  5. Step 5: Solve for x
    x = 3,876,571,982.62/63,134.64
  6. Step 6: Final answer
    x = 61,401.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.