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Finding the Fourth Proportional to 7,574.62, 10,452.87 and 4,217.44

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Solution

The fourth proportional to 7,574.62, 10,452.87 and 4,217.44 is: 5,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.62 : 10,452.87 = 4,217.44 : x
  2. Step 2: Convert to fraction form
    7,574.62/10,452.87 = 4,217.44/x
  3. Step 3: Cross multiply
    7,574.62x = 10,452.87 × 4,217.44
  4. Step 4: Simplify right side
    7,574.62x = 44,084,352.05
  5. Step 5: Solve for x
    x = 44,084,352.05/7,574.62
  6. Step 6: Final answer
    x = 5,820.01

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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.