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Finding the Fourth Proportional to 45,687.76, 68,147.62 and 41,488.08

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Solution

The fourth proportional to 45,687.76, 68,147.62 and 41,488.08 is: 61,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687.76 : 68,147.62 = 41,488.08 : x
  2. Step 2: Convert to fraction form
    45,687.76/68,147.62 = 41,488.08/x
  3. Step 3: Cross multiply
    45,687.76x = 68,147.62 × 41,488.08
  4. Step 4: Simplify right side
    45,687.76x = 2,827,313,910.37
  5. Step 5: Solve for x
    x = 2,827,313,910.37/45,687.76
  6. Step 6: Final answer
    x = 61,883.40

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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.