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Finding the Fourth Proportional to 65,182.32, 89,952.48 and 38,324.88

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Solution

The fourth proportional to 65,182.32, 89,952.48 and 38,324.88 is: 52,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,182.32 : 89,952.48 = 38,324.88 : x
  2. Step 2: Convert to fraction form
    65,182.32/89,952.48 = 38,324.88/x
  3. Step 3: Cross multiply
    65,182.32x = 89,952.48 × 38,324.88
  4. Step 4: Simplify right side
    65,182.32x = 3,447,418,001.70
  5. Step 5: Solve for x
    x = 3,447,418,001.70/65,182.32
  6. Step 6: Final answer
    x = 52,888.85

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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.