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Finding the Fourth Proportional to 2,732.47, 4,099.66 and 883.64

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Solution

The fourth proportional to 2,732.47, 4,099.66 and 883.64 is: 1,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.47 : 4,099.66 = 883.64 : x
  2. Step 2: Convert to fraction form
    2,732.47/4,099.66 = 883.64/x
  3. Step 3: Cross multiply
    2,732.47x = 4,099.66 × 883.64
  4. Step 4: Simplify right side
    2,732.47x = 3,622,631.60
  5. Step 5: Solve for x
    x = 3,622,631.60/2,732.47
  6. Step 6: Final answer
    x = 1,325.77

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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.