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Finding the Fourth Proportional to 64,610.61, 96,708.42 and 34,549.61

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Solution

The fourth proportional to 64,610.61, 96,708.42 and 34,549.61 is: 51,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,610.61 : 96,708.42 = 34,549.61 : x
  2. Step 2: Convert to fraction form
    64,610.61/96,708.42 = 34,549.61/x
  3. Step 3: Cross multiply
    64,610.61x = 96,708.42 × 34,549.61
  4. Step 4: Simplify right side
    64,610.61x = 3,341,237,711.17
  5. Step 5: Solve for x
    x = 3,341,237,711.17/64,610.61
  6. Step 6: Final answer
    x = 51,713.45

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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.