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Finding the Fourth Proportional to 5,488.24, 7,571.24 and 3,363.12

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Solution

The fourth proportional to 5,488.24, 7,571.24 and 3,363.12 is: 4,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.24 : 7,571.24 = 3,363.12 : x
  2. Step 2: Convert to fraction form
    5,488.24/7,571.24 = 3,363.12/x
  3. Step 3: Cross multiply
    5,488.24x = 7,571.24 × 3,363.12
  4. Step 4: Simplify right side
    5,488.24x = 25,462,988.67
  5. Step 5: Solve for x
    x = 25,462,988.67/5,488.24
  6. Step 6: Final answer
    x = 4,639.55

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1.5x scale

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.