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Finding the Fourth Proportional to 1,866.52, 2,575.80 and 1,027.24

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Solution

The fourth proportional to 1,866.52, 2,575.80 and 1,027.24 is: 1,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.52 : 2,575.80 = 1,027.24 : x
  2. Step 2: Convert to fraction form
    1,866.52/2,575.80 = 1,027.24/x
  3. Step 3: Cross multiply
    1,866.52x = 2,575.80 × 1,027.24
  4. Step 4: Simplify right side
    1,866.52x = 2,645,964.79
  5. Step 5: Solve for x
    x = 2,645,964.79/1,866.52
  6. Step 6: Final answer
    x = 1,417.59

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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.