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Finding the Fourth Proportional to 64,936.60, 97,448.64 and 25,489.04

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Solution

The fourth proportional to 64,936.60, 97,448.64 and 25,489.04 is: 38,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.60 : 97,448.64 = 25,489.04 : x
  2. Step 2: Convert to fraction form
    64,936.60/97,448.64 = 25,489.04/x
  3. Step 3: Cross multiply
    64,936.60x = 97,448.64 × 25,489.04
  4. Step 4: Simplify right side
    64,936.60x = 2,483,872,282.91
  5. Step 5: Solve for x
    x = 2,483,872,282.91/64,936.60
  6. Step 6: Final answer
    x = 38,250.73

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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.