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Finding the Fourth Proportional to 66,987.63, 92,442.56 and 36,773.46

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Solution

The fourth proportional to 66,987.63, 92,442.56 and 36,773.46 is: 50,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,987.63 : 92,442.56 = 36,773.46 : x
  2. Step 2: Convert to fraction form
    66,987.63/92,442.56 = 36,773.46/x
  3. Step 3: Cross multiply
    66,987.63x = 92,442.56 × 36,773.46
  4. Step 4: Simplify right side
    66,987.63x = 3,399,432,598.59
  5. Step 5: Solve for x
    x = 3,399,432,598.59/66,987.63
  6. Step 6: Final answer
    x = 50,747.17

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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.