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Finding the Fourth Proportional to 63,065.32, 94,597.80 and 20,948.65

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Solution

The fourth proportional to 63,065.32, 94,597.80 and 20,948.65 is: 31,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.32 : 94,597.80 = 20,948.65 : x
  2. Step 2: Convert to fraction form
    63,065.32/94,597.80 = 20,948.65/x
  3. Step 3: Cross multiply
    63,065.32x = 94,597.80 × 20,948.65
  4. Step 4: Simplify right side
    63,065.32x = 1,981,696,202.97
  5. Step 5: Solve for x
    x = 1,981,696,202.97/63,065.32
  6. Step 6: Final answer
    x = 31,422.92

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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.