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Finding the Fourth Proportional to 60,752.70, 91,175.22 and 21,342.96

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Solution

The fourth proportional to 60,752.70, 91,175.22 and 21,342.96 is: 32,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,752.70 : 91,175.22 = 21,342.96 : x
  2. Step 2: Convert to fraction form
    60,752.70/91,175.22 = 21,342.96/x
  3. Step 3: Cross multiply
    60,752.70x = 91,175.22 × 21,342.96
  4. Step 4: Simplify right side
    60,752.70x = 1,945,949,073.45
  5. Step 5: Solve for x
    x = 1,945,949,073.45/60,752.70
  6. Step 6: Final answer
    x = 32,030.66

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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.