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Finding the Fourth Proportional to 2,195.59, 3,293.85 and 897.06

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Solution

The fourth proportional to 2,195.59, 3,293.85 and 897.06 is: 1,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.59 : 3,293.85 = 897.06 : x
  2. Step 2: Convert to fraction form
    2,195.59/3,293.85 = 897.06/x
  3. Step 3: Cross multiply
    2,195.59x = 3,293.85 × 897.06
  4. Step 4: Simplify right side
    2,195.59x = 2,954,781.08
  5. Step 5: Solve for x
    x = 2,954,781.08/2,195.59
  6. Step 6: Final answer
    x = 1,345.78

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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.