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Finding the Fourth Proportional to 60,718.26, 83,814.26 and 45,654.66

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Solution

The fourth proportional to 60,718.26, 83,814.26 and 45,654.66 is: 63,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.26 : 83,814.26 = 45,654.66 : x
  2. Step 2: Convert to fraction form
    60,718.26/83,814.26 = 45,654.66/x
  3. Step 3: Cross multiply
    60,718.26x = 83,814.26 × 45,654.66
  4. Step 4: Simplify right side
    60,718.26x = 3,826,511,315.18
  5. Step 5: Solve for x
    x = 3,826,511,315.18/60,718.26
  6. Step 6: Final answer
    x = 63,020.77

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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.