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Finding the Fourth Proportional to 5,488.70, 8,233.05 and 4,883.90

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Solution

The fourth proportional to 5,488.70, 8,233.05 and 4,883.90 is: 7,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.70 : 8,233.05 = 4,883.90 : x
  2. Step 2: Convert to fraction form
    5,488.70/8,233.05 = 4,883.90/x
  3. Step 3: Cross multiply
    5,488.70x = 8,233.05 × 4,883.90
  4. Step 4: Simplify right side
    5,488.70x = 40,209,392.90
  5. Step 5: Solve for x
    x = 40,209,392.90/5,488.70
  6. Step 6: Final answer
    x = 7,325.85

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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.