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Finding the Fourth Proportional to 2,732.96, 4,098.80 and 883.60

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Solution

The fourth proportional to 2,732.96, 4,098.80 and 883.60 is: 1,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.96 : 4,098.80 = 883.60 : x
  2. Step 2: Convert to fraction form
    2,732.96/4,098.80 = 883.60/x
  3. Step 3: Cross multiply
    2,732.96x = 4,098.80 × 883.60
  4. Step 4: Simplify right side
    2,732.96x = 3,621,699.68
  5. Step 5: Solve for x
    x = 3,621,699.68/2,732.96
  6. Step 6: Final answer
    x = 1,325.19

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1.5x scale

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.