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Finding the Fourth Proportional to 64,835.42, 97,296.87 and 25,387.61

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Solution

The fourth proportional to 64,835.42, 97,296.87 and 25,387.61 is: 38,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,835.42 : 97,296.87 = 25,387.61 : x
  2. Step 2: Convert to fraction form
    64,835.42/97,296.87 = 25,387.61/x
  3. Step 3: Cross multiply
    64,835.42x = 97,296.87 × 25,387.61
  4. Step 4: Simplify right side
    64,835.42x = 2,470,134,503.30
  5. Step 5: Solve for x
    x = 2,470,134,503.30/64,835.42
  6. Step 6: Final answer
    x = 38,098.54

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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.