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Finding the Fourth Proportional to 8,707, 13,063.02 and 2,551

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Solution

The fourth proportional to 8,707, 13,063.02 and 2,551 is: 3,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707 : 13,063.02 = 2,551 : x
  2. Step 2: Convert to fraction form
    8,707/13,063.02 = 2,551/x
  3. Step 3: Cross multiply
    8,707x = 13,063.02 × 2,551
  4. Step 4: Simplify right side
    8,707x = 33,323,764.02
  5. Step 5: Solve for x
    x = 33,323,764.02/8,707
  6. Step 6: Final answer
    x = 3,827.24

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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.