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Finding the Fourth Proportional to 2,273.52, 3,409.70 and 886.40

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Solution

The fourth proportional to 2,273.52, 3,409.70 and 886.40 is: 1,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.52 : 3,409.70 = 886.40 : x
  2. Step 2: Convert to fraction form
    2,273.52/3,409.70 = 886.40/x
  3. Step 3: Cross multiply
    2,273.52x = 3,409.70 × 886.40
  4. Step 4: Simplify right side
    2,273.52x = 3,022,358.08
  5. Step 5: Solve for x
    x = 3,022,358.08/2,273.52
  6. Step 6: Final answer
    x = 1,329.37

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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.