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Finding the Fourth Proportional to 65,285.28, 89,953.92 and 44,027.28

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Solution

The fourth proportional to 65,285.28, 89,953.92 and 44,027.28 is: 60,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285.28 : 89,953.92 = 44,027.28 : x
  2. Step 2: Convert to fraction form
    65,285.28/89,953.92 = 44,027.28/x
  3. Step 3: Cross multiply
    65,285.28x = 89,953.92 × 44,027.28
  4. Step 4: Simplify right side
    65,285.28x = 3,960,426,422.94
  5. Step 5: Solve for x
    x = 3,960,426,422.94/65,285.28
  6. Step 6: Final answer
    x = 60,663.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.