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Finding the Fourth Proportional to 1,883.92, 2,599.64 and 1,098

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Solution

The fourth proportional to 1,883.92, 2,599.64 and 1,098 is: 1,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.92 : 2,599.64 = 1,098 : x
  2. Step 2: Convert to fraction form
    1,883.92/2,599.64 = 1,098/x
  3. Step 3: Cross multiply
    1,883.92x = 2,599.64 × 1,098
  4. Step 4: Simplify right side
    1,883.92x = 2,854,404.72
  5. Step 5: Solve for x
    x = 2,854,404.72/1,883.92
  6. Step 6: Final answer
    x = 1,515.14

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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.