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Finding the Fourth Proportional to 64,887.30, 97,285.92 and 25,448.40

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Solution

The fourth proportional to 64,887.30, 97,285.92 and 25,448.40 is: 38,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.30 : 97,285.92 = 25,448.40 : x
  2. Step 2: Convert to fraction form
    64,887.30/97,285.92 = 25,448.40/x
  3. Step 3: Cross multiply
    64,887.30x = 97,285.92 × 25,448.40
  4. Step 4: Simplify right side
    64,887.30x = 2,475,771,006.53
  5. Step 5: Solve for x
    x = 2,475,771,006.53/64,887.30
  6. Step 6: Final answer
    x = 38,154.94

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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.