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Finding the Fourth Proportional to 8,718.92, 13,060.87 and 4,032.36

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Solution

The fourth proportional to 8,718.92, 13,060.87 and 4,032.36 is: 6,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.92 : 13,060.87 = 4,032.36 : x
  2. Step 2: Convert to fraction form
    8,718.92/13,060.87 = 4,032.36/x
  3. Step 3: Cross multiply
    8,718.92x = 13,060.87 × 4,032.36
  4. Step 4: Simplify right side
    8,718.92x = 52,666,129.75
  5. Step 5: Solve for x
    x = 52,666,129.75/8,718.92
  6. Step 6: Final answer
    x = 6,040.44

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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.