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Finding the Fourth Proportional to 44,225.28, 66,363.84 and 31,731.84

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Solution

The fourth proportional to 44,225.28, 66,363.84 and 31,731.84 is: 47,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,225.28 : 66,363.84 = 31,731.84 : x
  2. Step 2: Convert to fraction form
    44,225.28/66,363.84 = 31,731.84/x
  3. Step 3: Cross multiply
    44,225.28x = 66,363.84 × 31,731.84
  4. Step 4: Simplify right side
    44,225.28x = 2,105,846,752.67
  5. Step 5: Solve for x
    x = 2,105,846,752.67/44,225.28
  6. Step 6: Final answer
    x = 47,616.36

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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.