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Finding the Fourth Proportional to 29,020.80, 43,521.88 and 9,294.68

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Solution

The fourth proportional to 29,020.80, 43,521.88 and 9,294.68 is: 13,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.80 : 43,521.88 = 9,294.68 : x
  2. Step 2: Convert to fraction form
    29,020.80/43,521.88 = 9,294.68/x
  3. Step 3: Cross multiply
    29,020.80x = 43,521.88 × 9,294.68
  4. Step 4: Simplify right side
    29,020.80x = 404,521,947.60
  5. Step 5: Solve for x
    x = 404,521,947.60/29,020.80
  6. Step 6: Final answer
    x = 13,939.04

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1.5x scale

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.