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Finding the Fourth Proportional to 21,471.88, 32,207.46 and 5,888.92

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Solution

The fourth proportional to 21,471.88, 32,207.46 and 5,888.92 is: 8,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.88 : 32,207.46 = 5,888.92 : x
  2. Step 2: Convert to fraction form
    21,471.88/32,207.46 = 5,888.92/x
  3. Step 3: Cross multiply
    21,471.88x = 32,207.46 × 5,888.92
  4. Step 4: Simplify right side
    21,471.88x = 189,667,155.34
  5. Step 5: Solve for x
    x = 189,667,155.34/21,471.88
  6. Step 6: Final answer
    x = 8,833.28

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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.