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Finding the Fourth Proportional to 45,843.55, 68,451.68 and 41,068.90

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Solution

The fourth proportional to 45,843.55, 68,451.68 and 41,068.90 is: 61,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.55 : 68,451.68 = 41,068.90 : x
  2. Step 2: Convert to fraction form
    45,843.55/68,451.68 = 41,068.90/x
  3. Step 3: Cross multiply
    45,843.55x = 68,451.68 × 41,068.90
  4. Step 4: Simplify right side
    45,843.55x = 2,811,235,200.75
  5. Step 5: Solve for x
    x = 2,811,235,200.75/45,843.55
  6. Step 6: Final answer
    x = 61,322.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.