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Finding the Fourth Proportional to 64,618.52, 89,171.92 and 36,326.04

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Solution

The fourth proportional to 64,618.52, 89,171.92 and 36,326.04 is: 50,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,618.52 : 89,171.92 = 36,326.04 : x
  2. Step 2: Convert to fraction form
    64,618.52/89,171.92 = 36,326.04/x
  3. Step 3: Cross multiply
    64,618.52x = 89,171.92 × 36,326.04
  4. Step 4: Simplify right side
    64,618.52x = 3,239,262,732.80
  5. Step 5: Solve for x
    x = 3,239,262,732.80/64,618.52
  6. Step 6: Final answer
    x = 50,129.01

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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.