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Finding the Fourth Proportional to 1,862.66, 2,570.54 and 1,023.44

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Solution

The fourth proportional to 1,862.66, 2,570.54 and 1,023.44 is: 1,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.66 : 2,570.54 = 1,023.44 : x
  2. Step 2: Convert to fraction form
    1,862.66/2,570.54 = 1,023.44/x
  3. Step 3: Cross multiply
    1,862.66x = 2,570.54 × 1,023.44
  4. Step 4: Simplify right side
    1,862.66x = 2,630,775.49
  5. Step 5: Solve for x
    x = 2,630,775.49/1,862.66
  6. Step 6: Final answer
    x = 1,412.37

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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.