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Finding the Fourth Proportional to 3,515.16, 4,844.16 and 3,281.61

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Solution

The fourth proportional to 3,515.16, 4,844.16 and 3,281.61 is: 4,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.16 : 4,844.16 = 3,281.61 : x
  2. Step 2: Convert to fraction form
    3,515.16/4,844.16 = 3,281.61/x
  3. Step 3: Cross multiply
    3,515.16x = 4,844.16 × 3,281.61
  4. Step 4: Simplify right side
    3,515.16x = 15,896,643.90
  5. Step 5: Solve for x
    x = 15,896,643.90/3,515.16
  6. Step 6: Final answer
    x = 4,522.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.