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Finding the Fourth Proportional to 1,510.87, 2,264.11 and 1,072.97

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Solution

The fourth proportional to 1,510.87, 2,264.11 and 1,072.97 is: 1,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.87 : 2,264.11 = 1,072.97 : x
  2. Step 2: Convert to fraction form
    1,510.87/2,264.11 = 1,072.97/x
  3. Step 3: Cross multiply
    1,510.87x = 2,264.11 × 1,072.97
  4. Step 4: Simplify right side
    1,510.87x = 2,429,329.33
  5. Step 5: Solve for x
    x = 2,429,329.33/1,510.87
  6. Step 6: Final answer
    x = 1,607.91

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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.