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Finding the Fourth Proportional to 1,461.92, 2,017.37 and 798.77

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Solution

The fourth proportional to 1,461.92, 2,017.37 and 798.77 is: 1,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.92 : 2,017.37 = 798.77 : x
  2. Step 2: Convert to fraction form
    1,461.92/2,017.37 = 798.77/x
  3. Step 3: Cross multiply
    1,461.92x = 2,017.37 × 798.77
  4. Step 4: Simplify right side
    1,461.92x = 1,611,404.55
  5. Step 5: Solve for x
    x = 1,611,404.55/1,461.92
  6. Step 6: Final answer
    x = 1,102.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.