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Finding the Fourth Proportional to 66,976.38, 92,374.65 and 59,327.82

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Solution

The fourth proportional to 66,976.38, 92,374.65 and 59,327.82 is: 81,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,976.38 : 92,374.65 = 59,327.82 : x
  2. Step 2: Convert to fraction form
    66,976.38/92,374.65 = 59,327.82/x
  3. Step 3: Cross multiply
    66,976.38x = 92,374.65 × 59,327.82
  4. Step 4: Simplify right side
    66,976.38x = 5,480,386,607.76
  5. Step 5: Solve for x
    x = 5,480,386,607.76/66,976.38
  6. Step 6: Final answer
    x = 81,825.66

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1.5x scale

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.