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Finding the Fourth Proportional to 21,374.00, 32,060.99 and 5,791.62

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Solution

The fourth proportional to 21,374.00, 32,060.99 and 5,791.62 is: 8,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.00 : 32,060.99 = 5,791.62 : x
  2. Step 2: Convert to fraction form
    21,374.00/32,060.99 = 5,791.62/x
  3. Step 3: Cross multiply
    21,374.00x = 32,060.99 × 5,791.62
  4. Step 4: Simplify right side
    21,374.00x = 185,685,041.95
  5. Step 5: Solve for x
    x = 185,685,041.95/21,374.00
  6. Step 6: Final answer
    x = 8,687.43

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Double scale
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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.