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Finding the Fourth Proportional to 3,851.22, 5,776.50 and 1,510.74

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Solution

The fourth proportional to 3,851.22, 5,776.50 and 1,510.74 is: 2,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.22 : 5,776.50 = 1,510.74 : x
  2. Step 2: Convert to fraction form
    3,851.22/5,776.50 = 1,510.74/x
  3. Step 3: Cross multiply
    3,851.22x = 5,776.50 × 1,510.74
  4. Step 4: Simplify right side
    3,851.22x = 8,726,789.61
  5. Step 5: Solve for x
    x = 8,726,789.61/3,851.22
  6. Step 6: Final answer
    x = 2,265.98

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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.