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Finding the Fourth Proportional to 2,297.32, 3,445.96 and 998.76

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Solution

The fourth proportional to 2,297.32, 3,445.96 and 998.76 is: 1,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.32 : 3,445.96 = 998.76 : x
  2. Step 2: Convert to fraction form
    2,297.32/3,445.96 = 998.76/x
  3. Step 3: Cross multiply
    2,297.32x = 3,445.96 × 998.76
  4. Step 4: Simplify right side
    2,297.32x = 3,441,687.01
  5. Step 5: Solve for x
    x = 3,441,687.01/2,297.32
  6. Step 6: Final answer
    x = 1,498.13

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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.