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Finding the Fourth Proportional to 8,924.57, 13,388.90 and 3,002.20

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Solution

The fourth proportional to 8,924.57, 13,388.90 and 3,002.20 is: 4,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.57 : 13,388.90 = 3,002.20 : x
  2. Step 2: Convert to fraction form
    8,924.57/13,388.90 = 3,002.20/x
  3. Step 3: Cross multiply
    8,924.57x = 13,388.90 × 3,002.20
  4. Step 4: Simplify right side
    8,924.57x = 40,196,155.58
  5. Step 5: Solve for x
    x = 40,196,155.58/8,924.57
  6. Step 6: Final answer
    x = 4,503.99

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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.