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Finding the Fourth Proportional to 64,930.60, 97,375.65 and 25,499.80

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Solution

The fourth proportional to 64,930.60, 97,375.65 and 25,499.80 is: 38,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.60 : 97,375.65 = 25,499.80 : x
  2. Step 2: Convert to fraction form
    64,930.60/97,375.65 = 25,499.80/x
  3. Step 3: Cross multiply
    64,930.60x = 97,375.65 × 25,499.80
  4. Step 4: Simplify right side
    64,930.60x = 2,483,059,599.87
  5. Step 5: Solve for x
    x = 2,483,059,599.87/64,930.60
  6. Step 6: Final answer
    x = 38,241.75

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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.