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Finding the Fourth Proportional to 2,427.60, 3,641.67 and 888.24

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Solution

The fourth proportional to 2,427.60, 3,641.67 and 888.24 is: 1,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.60 : 3,641.67 = 888.24 : x
  2. Step 2: Convert to fraction form
    2,427.60/3,641.67 = 888.24/x
  3. Step 3: Cross multiply
    2,427.60x = 3,641.67 × 888.24
  4. Step 4: Simplify right side
    2,427.60x = 3,234,676.96
  5. Step 5: Solve for x
    x = 3,234,676.96/2,427.60
  6. Step 6: Final answer
    x = 1,332.46

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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.