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Finding the Fourth Proportional to 48,598.74, 67,069.35 and 36,640.98

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Solution

The fourth proportional to 48,598.74, 67,069.35 and 36,640.98 is: 50,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,598.74 : 67,069.35 = 36,640.98 : x
  2. Step 2: Convert to fraction form
    48,598.74/67,069.35 = 36,640.98/x
  3. Step 3: Cross multiply
    48,598.74x = 67,069.35 × 36,640.98
  4. Step 4: Simplify right side
    48,598.74x = 2,457,486,711.96
  5. Step 5: Solve for x
    x = 2,457,486,711.96/48,598.74
  6. Step 6: Final answer
    x = 50,566.88

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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.