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Finding the Fourth Proportional to 2,829.49, 4,244.67 and 881.23

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Solution

The fourth proportional to 2,829.49, 4,244.67 and 881.23 is: 1,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.49 : 4,244.67 = 881.23 : x
  2. Step 2: Convert to fraction form
    2,829.49/4,244.67 = 881.23/x
  3. Step 3: Cross multiply
    2,829.49x = 4,244.67 × 881.23
  4. Step 4: Simplify right side
    2,829.49x = 3,740,530.54
  5. Step 5: Solve for x
    x = 3,740,530.54/2,829.49
  6. Step 6: Final answer
    x = 1,321.98

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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.