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Finding the Fourth Proportional to 3,706.65, 5,560.61 and 1,515.33

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Solution

The fourth proportional to 3,706.65, 5,560.61 and 1,515.33 is: 2,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.65 : 5,560.61 = 1,515.33 : x
  2. Step 2: Convert to fraction form
    3,706.65/5,560.61 = 1,515.33/x
  3. Step 3: Cross multiply
    3,706.65x = 5,560.61 × 1,515.33
  4. Step 4: Simplify right side
    3,706.65x = 8,426,151.57
  5. Step 5: Solve for x
    x = 8,426,151.57/3,706.65
  6. Step 6: Final answer
    x = 2,273.25

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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.