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Finding the Fourth Proportional to 64,538.64, 96,813.94 and 25,098.72

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Solution

The fourth proportional to 64,538.64, 96,813.94 and 25,098.72 is: 37,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538.64 : 96,813.94 = 25,098.72 : x
  2. Step 2: Convert to fraction form
    64,538.64/96,813.94 = 25,098.72/x
  3. Step 3: Cross multiply
    64,538.64x = 96,813.94 × 25,098.72
  4. Step 4: Simplify right side
    64,538.64x = 2,429,905,972.16
  5. Step 5: Solve for x
    x = 2,429,905,972.16/64,538.64
  6. Step 6: Final answer
    x = 37,650.41

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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.