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Finding the Fourth Proportional to 64,487.52, 89,001.18 and 36,193.23

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Solution

The fourth proportional to 64,487.52, 89,001.18 and 36,193.23 is: 49,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,487.52 : 89,001.18 = 36,193.23 : x
  2. Step 2: Convert to fraction form
    64,487.52/89,001.18 = 36,193.23/x
  3. Step 3: Cross multiply
    64,487.52x = 89,001.18 × 36,193.23
  4. Step 4: Simplify right side
    64,487.52x = 3,221,240,178.01
  5. Step 5: Solve for x
    x = 3,221,240,178.01/64,487.52
  6. Step 6: Final answer
    x = 49,951.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.