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Finding the Fourth Proportional to 21,337.26, 32,005.90 and 5,754.90

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Solution

The fourth proportional to 21,337.26, 32,005.90 and 5,754.90 is: 8,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.26 : 32,005.90 = 5,754.90 : x
  2. Step 2: Convert to fraction form
    21,337.26/32,005.90 = 5,754.90/x
  3. Step 3: Cross multiply
    21,337.26x = 32,005.90 × 5,754.90
  4. Step 4: Simplify right side
    21,337.26x = 184,190,753.91
  5. Step 5: Solve for x
    x = 184,190,753.91/21,337.26
  6. Step 6: Final answer
    x = 8,632.35

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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.