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Finding the Fourth Proportional to 8,060.46, 12,061.53 and 7,866.06

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Solution

The fourth proportional to 8,060.46, 12,061.53 and 7,866.06 is: 11,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.46 : 12,061.53 = 7,866.06 : x
  2. Step 2: Convert to fraction form
    8,060.46/12,061.53 = 7,866.06/x
  3. Step 3: Cross multiply
    8,060.46x = 12,061.53 × 7,866.06
  4. Step 4: Simplify right side
    8,060.46x = 94,876,718.67
  5. Step 5: Solve for x
    x = 94,876,718.67/8,060.46
  6. Step 6: Final answer
    x = 11,770.63

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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.