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Finding the Fourth Proportional to 2,671.52, 4,012.13 and 2,185.52

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Solution

The fourth proportional to 2,671.52, 4,012.13 and 2,185.52 is: 3,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.52 : 4,012.13 = 2,185.52 : x
  2. Step 2: Convert to fraction form
    2,671.52/4,012.13 = 2,185.52/x
  3. Step 3: Cross multiply
    2,671.52x = 4,012.13 × 2,185.52
  4. Step 4: Simplify right side
    2,671.52x = 8,768,575.76
  5. Step 5: Solve for x
    x = 8,768,575.76/2,671.52
  6. Step 6: Final answer
    x = 3,282.25

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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.