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Finding the Fourth Proportional to 66,695.91, 92,068.70 and 41,557.83

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Solution

The fourth proportional to 66,695.91, 92,068.70 and 41,557.83 is: 57,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,695.91 : 92,068.70 = 41,557.83 : x
  2. Step 2: Convert to fraction form
    66,695.91/92,068.70 = 41,557.83/x
  3. Step 3: Cross multiply
    66,695.91x = 92,068.70 × 41,557.83
  4. Step 4: Simplify right side
    66,695.91x = 3,826,175,175.13
  5. Step 5: Solve for x
    x = 3,826,175,175.13/66,695.91
  6. Step 6: Final answer
    x = 57,367.46

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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.