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Finding the Fourth Proportional to 14,753.91, 22,130.87 and 5,517.75

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Solution

The fourth proportional to 14,753.91, 22,130.87 and 5,517.75 is: 8,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.91 : 22,130.87 = 5,517.75 : x
  2. Step 2: Convert to fraction form
    14,753.91/22,130.87 = 5,517.75/x
  3. Step 3: Cross multiply
    14,753.91x = 22,130.87 × 5,517.75
  4. Step 4: Simplify right side
    14,753.91x = 122,112,580.35
  5. Step 5: Solve for x
    x = 122,112,580.35/14,753.91
  6. Step 6: Final answer
    x = 8,276.63

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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.