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Finding the Fourth Proportional to 8,510.03, 12,761.15 and 4,560.66

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Solution

The fourth proportional to 8,510.03, 12,761.15 and 4,560.66 is: 6,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.03 : 12,761.15 = 4,560.66 : x
  2. Step 2: Convert to fraction form
    8,510.03/12,761.15 = 4,560.66/x
  3. Step 3: Cross multiply
    8,510.03x = 12,761.15 × 4,560.66
  4. Step 4: Simplify right side
    8,510.03x = 58,199,243.56
  5. Step 5: Solve for x
    x = 58,199,243.56/8,510.03
  6. Step 6: Final answer
    x = 6,838.90

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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.