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Finding the Fourth Proportional to 1,331.24, 1,833.24 and 1,036.01

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Solution

The fourth proportional to 1,331.24, 1,833.24 and 1,036.01 is: 1,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.24 : 1,833.24 = 1,036.01 : x
  2. Step 2: Convert to fraction form
    1,331.24/1,833.24 = 1,036.01/x
  3. Step 3: Cross multiply
    1,331.24x = 1,833.24 × 1,036.01
  4. Step 4: Simplify right side
    1,331.24x = 1,899,254.97
  5. Step 5: Solve for x
    x = 1,899,254.97/1,331.24
  6. Step 6: Final answer
    x = 1,426.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.