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Finding the Fourth Proportional to 8,727.74, 12,044.53 and 4,749.10

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Solution

The fourth proportional to 8,727.74, 12,044.53 and 4,749.10 is: 6,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.74 : 12,044.53 = 4,749.10 : x
  2. Step 2: Convert to fraction form
    8,727.74/12,044.53 = 4,749.10/x
  3. Step 3: Cross multiply
    8,727.74x = 12,044.53 × 4,749.10
  4. Step 4: Simplify right side
    8,727.74x = 57,200,707.53
  5. Step 5: Solve for x
    x = 57,200,707.53/8,727.74
  6. Step 6: Final answer
    x = 6,553.90

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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.