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Finding the Fourth Proportional to 8,701.50, 13,052.28 and 2,545.50

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Solution

The fourth proportional to 8,701.50, 13,052.28 and 2,545.50 is: 3,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.50 : 13,052.28 = 2,545.50 : x
  2. Step 2: Convert to fraction form
    8,701.50/13,052.28 = 2,545.50/x
  3. Step 3: Cross multiply
    8,701.50x = 13,052.28 × 2,545.50
  4. Step 4: Simplify right side
    8,701.50x = 33,224,578.74
  5. Step 5: Solve for x
    x = 33,224,578.74/8,701.50
  6. Step 6: Final answer
    x = 3,818.26

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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.