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Finding the Fourth Proportional to 45,753.44, 68,643.24 and 14,591.12

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Solution

The fourth proportional to 45,753.44, 68,643.24 and 14,591.12 is: 21,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,753.44 : 68,643.24 = 14,591.12 : x
  2. Step 2: Convert to fraction form
    45,753.44/68,643.24 = 14,591.12/x
  3. Step 3: Cross multiply
    45,753.44x = 68,643.24 × 14,591.12
  4. Step 4: Simplify right side
    45,753.44x = 1,001,581,752.03
  5. Step 5: Solve for x
    x = 1,001,581,752.03/45,753.44
  6. Step 6: Final answer
    x = 21,890.85

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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.