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Finding the Fourth Proportional to 64,294.61, 96,395.18 and 26,865.39

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Solution

The fourth proportional to 64,294.61, 96,395.18 and 26,865.39 is: 40,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,294.61 : 96,395.18 = 26,865.39 : x
  2. Step 2: Convert to fraction form
    64,294.61/96,395.18 = 26,865.39/x
  3. Step 3: Cross multiply
    64,294.61x = 96,395.18 × 26,865.39
  4. Step 4: Simplify right side
    64,294.61x = 2,589,693,970.49
  5. Step 5: Solve for x
    x = 2,589,693,970.49/64,294.61
  6. Step 6: Final answer
    x = 40,278.56

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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.