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Finding the Fourth Proportional to 64,934, 97,403.78 and 25,499.64

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Solution

The fourth proportional to 64,934, 97,403.78 and 25,499.64 is: 38,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,934 : 97,403.78 = 25,499.64 : x
  2. Step 2: Convert to fraction form
    64,934/97,403.78 = 25,499.64/x
  3. Step 3: Cross multiply
    64,934x = 97,403.78 × 25,499.64
  4. Step 4: Simplify right side
    64,934x = 2,483,761,324.64
  5. Step 5: Solve for x
    x = 2,483,761,324.64/64,934
  6. Step 6: Final answer
    x = 38,250.55

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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.