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Finding the Fourth Proportional to 8,696.87, 12,001.63 and 4,868.52

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Solution

The fourth proportional to 8,696.87, 12,001.63 and 4,868.52 is: 6,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.87 : 12,001.63 = 4,868.52 : x
  2. Step 2: Convert to fraction form
    8,696.87/12,001.63 = 4,868.52/x
  3. Step 3: Cross multiply
    8,696.87x = 12,001.63 × 4,868.52
  4. Step 4: Simplify right side
    8,696.87x = 58,430,151.35
  5. Step 5: Solve for x
    x = 58,430,151.35/8,696.87
  6. Step 6: Final answer
    x = 6,718.53

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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.