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Finding the Fourth Proportional to 66,708.66, 92,062.94 and 38,029

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Solution

The fourth proportional to 66,708.66, 92,062.94 and 38,029 is: 52,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.66 : 92,062.94 = 38,029 : x
  2. Step 2: Convert to fraction form
    66,708.66/92,062.94 = 38,029/x
  3. Step 3: Cross multiply
    66,708.66x = 92,062.94 × 38,029
  4. Step 4: Simplify right side
    66,708.66x = 3,501,061,545.26
  5. Step 5: Solve for x
    x = 3,501,061,545.26/66,708.66
  6. Step 6: Final answer
    x = 52,482.86

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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.