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Finding the Fourth Proportional to 66,862.46, 92,269.83 and 36,649.06

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Solution

The fourth proportional to 66,862.46, 92,269.83 and 36,649.06 is: 50,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,862.46 : 92,269.83 = 36,649.06 : x
  2. Step 2: Convert to fraction form
    66,862.46/92,269.83 = 36,649.06/x
  3. Step 3: Cross multiply
    66,862.46x = 92,269.83 × 36,649.06
  4. Step 4: Simplify right side
    66,862.46x = 3,381,602,442.62
  5. Step 5: Solve for x
    x = 3,381,602,442.62/66,862.46
  6. Step 6: Final answer
    x = 50,575.50

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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.