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Finding the Fourth Proportional to 8,488.77, 12,747.51 and 5,532.23

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Solution

The fourth proportional to 8,488.77, 12,747.51 and 5,532.23 is: 8,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.77 : 12,747.51 = 5,532.23 : x
  2. Step 2: Convert to fraction form
    8,488.77/12,747.51 = 5,532.23/x
  3. Step 3: Cross multiply
    8,488.77x = 12,747.51 × 5,532.23
  4. Step 4: Simplify right side
    8,488.77x = 70,522,189.12
  5. Step 5: Solve for x
    x = 70,522,189.12/8,488.77
  6. Step 6: Final answer
    x = 8,307.71

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1.5x scale

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.