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Finding the Fourth Proportional to 1,362.60, 2,042.04 and 1,202.22

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Solution

The fourth proportional to 1,362.60, 2,042.04 and 1,202.22 is: 1,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.60 : 2,042.04 = 1,202.22 : x
  2. Step 2: Convert to fraction form
    1,362.60/2,042.04 = 1,202.22/x
  3. Step 3: Cross multiply
    1,362.60x = 2,042.04 × 1,202.22
  4. Step 4: Simplify right side
    1,362.60x = 2,454,981.33
  5. Step 5: Solve for x
    x = 2,454,981.33/1,362.60
  6. Step 6: Final answer
    x = 1,801.69

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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.