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Finding the Fourth Proportional to 66,738.60, 92,098.47 and 36,523.62

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Solution

The fourth proportional to 66,738.60, 92,098.47 and 36,523.62 is: 50,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,738.60 : 92,098.47 = 36,523.62 : x
  2. Step 2: Convert to fraction form
    66,738.60/92,098.47 = 36,523.62/x
  3. Step 3: Cross multiply
    66,738.60x = 92,098.47 × 36,523.62
  4. Step 4: Simplify right side
    66,738.60x = 3,363,769,520.86
  5. Step 5: Solve for x
    x = 3,363,769,520.86/66,738.60
  6. Step 6: Final answer
    x = 50,402.16

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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.