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Finding the Fourth Proportional to 7,155.91, 10,734.99 and 2,224.52

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Solution

The fourth proportional to 7,155.91, 10,734.99 and 2,224.52 is: 3,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.91 : 10,734.99 = 2,224.52 : x
  2. Step 2: Convert to fraction form
    7,155.91/10,734.99 = 2,224.52/x
  3. Step 3: Cross multiply
    7,155.91x = 10,734.99 × 2,224.52
  4. Step 4: Simplify right side
    7,155.91x = 23,880,199.95
  5. Step 5: Solve for x
    x = 23,880,199.95/7,155.91
  6. Step 6: Final answer
    x = 3,337.13

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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.