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Finding the Fourth Proportional to 5,648.67, 8,470.51 and 3,015.70

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Solution

The fourth proportional to 5,648.67, 8,470.51 and 3,015.70 is: 4,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.67 : 8,470.51 = 3,015.70 : x
  2. Step 2: Convert to fraction form
    5,648.67/8,470.51 = 3,015.70/x
  3. Step 3: Cross multiply
    5,648.67x = 8,470.51 × 3,015.70
  4. Step 4: Simplify right side
    5,648.67x = 25,544,488.29
  5. Step 5: Solve for x
    x = 25,544,488.29/5,648.67
  6. Step 6: Final answer
    x = 4,522.21

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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.