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Finding the Fourth Proportional to 64,389, 96,575.32 and 24,919.12

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Solution

The fourth proportional to 64,389, 96,575.32 and 24,919.12 is: 37,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389 : 96,575.32 = 24,919.12 : x
  2. Step 2: Convert to fraction form
    64,389/96,575.32 = 24,919.12/x
  3. Step 3: Cross multiply
    64,389x = 96,575.32 × 24,919.12
  4. Step 4: Simplify right side
    64,389x = 2,406,571,988.12
  5. Step 5: Solve for x
    x = 2,406,571,988.12/64,389
  6. Step 6: Final answer
    x = 37,375.51

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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.