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Finding the Fourth Proportional to 7,281.62, 10,920.08 and 2,350.11

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Solution

The fourth proportional to 7,281.62, 10,920.08 and 2,350.11 is: 3,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.62 : 10,920.08 = 2,350.11 : x
  2. Step 2: Convert to fraction form
    7,281.62/10,920.08 = 2,350.11/x
  3. Step 3: Cross multiply
    7,281.62x = 10,920.08 × 2,350.11
  4. Step 4: Simplify right side
    7,281.62x = 25,663,389.21
  5. Step 5: Solve for x
    x = 25,663,389.21/7,281.62
  6. Step 6: Final answer
    x = 3,524.41

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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.