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Finding the Fourth Proportional to 6,718.52, 9,270.45 and 3,734.27

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Solution

The fourth proportional to 6,718.52, 9,270.45 and 3,734.27 is: 5,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.52 : 9,270.45 = 3,734.27 : x
  2. Step 2: Convert to fraction form
    6,718.52/9,270.45 = 3,734.27/x
  3. Step 3: Cross multiply
    6,718.52x = 9,270.45 × 3,734.27
  4. Step 4: Simplify right side
    6,718.52x = 34,618,363.32
  5. Step 5: Solve for x
    x = 34,618,363.32/6,718.52
  6. Step 6: Final answer
    x = 5,152.68

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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.