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Finding the Fourth Proportional to 64,735.87, 97,064.92 and 25,311.55

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Solution

The fourth proportional to 64,735.87, 97,064.92 and 25,311.55 is: 37,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735.87 : 97,064.92 = 25,311.55 : x
  2. Step 2: Convert to fraction form
    64,735.87/97,064.92 = 25,311.55/x
  3. Step 3: Cross multiply
    64,735.87x = 97,064.92 × 25,311.55
  4. Step 4: Simplify right side
    64,735.87x = 2,456,863,575.83
  5. Step 5: Solve for x
    x = 2,456,863,575.83/64,735.87
  6. Step 6: Final answer
    x = 37,952.12

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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.