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Finding the Fourth Proportional to 64,691.76, 97,089.60 and 33,535.92

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Solution

The fourth proportional to 64,691.76, 97,089.60 and 33,535.92 is: 50,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,691.76 : 97,089.60 = 33,535.92 : x
  2. Step 2: Convert to fraction form
    64,691.76/97,089.60 = 33,535.92/x
  3. Step 3: Cross multiply
    64,691.76x = 97,089.60 × 33,535.92
  4. Step 4: Simplify right side
    64,691.76x = 3,255,989,058.43
  5. Step 5: Solve for x
    x = 3,255,989,058.43/64,691.76
  6. Step 6: Final answer
    x = 50,330.82

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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.