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Finding the Fourth Proportional to 64,432.17, 88,911.90 and 35,750.61

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Solution

The fourth proportional to 64,432.17, 88,911.90 and 35,750.61 is: 49,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,432.17 : 88,911.90 = 35,750.61 : x
  2. Step 2: Convert to fraction form
    64,432.17/88,911.90 = 35,750.61/x
  3. Step 3: Cross multiply
    64,432.17x = 88,911.90 × 35,750.61
  4. Step 4: Simplify right side
    64,432.17x = 3,178,654,661.26
  5. Step 5: Solve for x
    x = 3,178,654,661.26/64,432.17
  6. Step 6: Final answer
    x = 49,333.35

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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.