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Finding the Fourth Proportional to 64,402.29, 96,631.25 and 34,840.95

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Solution

The fourth proportional to 64,402.29, 96,631.25 and 34,840.95 is: 52,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.29 : 96,631.25 = 34,840.95 : x
  2. Step 2: Convert to fraction form
    64,402.29/96,631.25 = 34,840.95/x
  3. Step 3: Cross multiply
    64,402.29x = 96,631.25 × 34,840.95
  4. Step 4: Simplify right side
    64,402.29x = 3,366,724,375.48
  5. Step 5: Solve for x
    x = 3,366,724,375.48/64,402.29
  6. Step 6: Final answer
    x = 52,276.47

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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.