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Finding the Fourth Proportional to 45,753.87, 68,650.53 and 17,693.68

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Solution

The fourth proportional to 45,753.87, 68,650.53 and 17,693.68 is: 26,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,753.87 : 68,650.53 = 17,693.68 : x
  2. Step 2: Convert to fraction form
    45,753.87/68,650.53 = 17,693.68/x
  3. Step 3: Cross multiply
    45,753.87x = 68,650.53 × 17,693.68
  4. Step 4: Simplify right side
    45,753.87x = 1,214,680,509.65
  5. Step 5: Solve for x
    x = 1,214,680,509.65/45,753.87
  6. Step 6: Final answer
    x = 26,548.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.