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Finding the Fourth Proportional to 2,587.52, 3,875.51 and 1,854.88

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Solution

The fourth proportional to 2,587.52, 3,875.51 and 1,854.88 is: 2,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.52 : 3,875.51 = 1,854.88 : x
  2. Step 2: Convert to fraction form
    2,587.52/3,875.51 = 1,854.88/x
  3. Step 3: Cross multiply
    2,587.52x = 3,875.51 × 1,854.88
  4. Step 4: Simplify right side
    2,587.52x = 7,188,600.94
  5. Step 5: Solve for x
    x = 7,188,600.94/2,587.52
  6. Step 6: Final answer
    x = 2,778.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.