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Finding the Fourth Proportional to 3,671.88, 5,508.98 and 1,074.84

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Solution

The fourth proportional to 3,671.88, 5,508.98 and 1,074.84 is: 1,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.88 : 5,508.98 = 1,074.84 : x
  2. Step 2: Convert to fraction form
    3,671.88/5,508.98 = 1,074.84/x
  3. Step 3: Cross multiply
    3,671.88x = 5,508.98 × 1,074.84
  4. Step 4: Simplify right side
    3,671.88x = 5,921,272.06
  5. Step 5: Solve for x
    x = 5,921,272.06/3,671.88
  6. Step 6: Final answer
    x = 1,612.60

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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.