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Finding the Fourth Proportional to 1,358.54, 2,036.43 and 1,033.22

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Solution

The fourth proportional to 1,358.54, 2,036.43 and 1,033.22 is: 1,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.54 : 2,036.43 = 1,033.22 : x
  2. Step 2: Convert to fraction form
    1,358.54/2,036.43 = 1,033.22/x
  3. Step 3: Cross multiply
    1,358.54x = 2,036.43 × 1,033.22
  4. Step 4: Simplify right side
    1,358.54x = 2,104,070.02
  5. Step 5: Solve for x
    x = 2,104,070.02/1,358.54
  6. Step 6: Final answer
    x = 1,548.78

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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.