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Finding the Fourth Proportional to 64,531.49, 96,589.97 and 34,470.56

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Solution

The fourth proportional to 64,531.49, 96,589.97 and 34,470.56 is: 51,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,531.49 : 96,589.97 = 34,470.56 : x
  2. Step 2: Convert to fraction form
    64,531.49/96,589.97 = 34,470.56/x
  3. Step 3: Cross multiply
    64,531.49x = 96,589.97 × 34,470.56
  4. Step 4: Simplify right side
    64,531.49x = 3,329,509,700.98
  5. Step 5: Solve for x
    x = 3,329,509,700.98/64,531.49
  6. Step 6: Final answer
    x = 51,595.12

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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.