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Finding the Fourth Proportional to 45,773.28, 68,685.84 and 19,475.28

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Solution

The fourth proportional to 45,773.28, 68,685.84 and 19,475.28 is: 29,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,773.28 : 68,685.84 = 19,475.28 : x
  2. Step 2: Convert to fraction form
    45,773.28/68,685.84 = 19,475.28/x
  3. Step 3: Cross multiply
    45,773.28x = 68,685.84 × 19,475.28
  4. Step 4: Simplify right side
    45,773.28x = 1,337,675,966.04
  5. Step 5: Solve for x
    x = 1,337,675,966.04/45,773.28
  6. Step 6: Final answer
    x = 29,223.95

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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.