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Finding the Fourth Proportional to 21,565.56, 32,348.34 and 5,983.19

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Solution

The fourth proportional to 21,565.56, 32,348.34 and 5,983.19 is: 8,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.56 : 32,348.34 = 5,983.19 : x
  2. Step 2: Convert to fraction form
    21,565.56/32,348.34 = 5,983.19/x
  3. Step 3: Cross multiply
    21,565.56x = 32,348.34 × 5,983.19
  4. Step 4: Simplify right side
    21,565.56x = 193,546,264.40
  5. Step 5: Solve for x
    x = 193,546,264.40/21,565.56
  6. Step 6: Final answer
    x = 8,974.79

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Similar ratio
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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.