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Finding the Fourth Proportional to 66,881.57, 92,298.89 and 36,666.95

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Solution

The fourth proportional to 66,881.57, 92,298.89 and 36,666.95 is: 50,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,881.57 : 92,298.89 = 36,666.95 : x
  2. Step 2: Convert to fraction form
    66,881.57/92,298.89 = 36,666.95/x
  3. Step 3: Cross multiply
    66,881.57x = 92,298.89 × 36,666.95
  4. Step 4: Simplify right side
    66,881.57x = 3,384,318,414.86
  5. Step 5: Solve for x
    x = 3,384,318,414.86/66,881.57
  6. Step 6: Final answer
    x = 50,601.66

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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.