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Finding the Fourth Proportional to 8,707.32, 13,044.52 and 6,749.94

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Solution

The fourth proportional to 8,707.32, 13,044.52 and 6,749.94 is: 10,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.32 : 13,044.52 = 6,749.94 : x
  2. Step 2: Convert to fraction form
    8,707.32/13,044.52 = 6,749.94/x
  3. Step 3: Cross multiply
    8,707.32x = 13,044.52 × 6,749.94
  4. Step 4: Simplify right side
    8,707.32x = 88,049,727.33
  5. Step 5: Solve for x
    x = 88,049,727.33/8,707.32
  6. Step 6: Final answer
    x = 10,112.15

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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.