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Finding the Fourth Proportional to 7,297.92, 10,948.50 and 2,104.20

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Solution

The fourth proportional to 7,297.92, 10,948.50 and 2,104.20 is: 3,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.92 : 10,948.50 = 2,104.20 : x
  2. Step 2: Convert to fraction form
    7,297.92/10,948.50 = 2,104.20/x
  3. Step 3: Cross multiply
    7,297.92x = 10,948.50 × 2,104.20
  4. Step 4: Simplify right side
    7,297.92x = 23,037,833.70
  5. Step 5: Solve for x
    x = 23,037,833.70/7,297.92
  6. Step 6: Final answer
    x = 3,156.77

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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.