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Finding the Fourth Proportional to 4,447.39, 6,671.08 and 4,176.75

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Solution

The fourth proportional to 4,447.39, 6,671.08 and 4,176.75 is: 6,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.39 : 6,671.08 = 4,176.75 : x
  2. Step 2: Convert to fraction form
    4,447.39/6,671.08 = 4,176.75/x
  3. Step 3: Cross multiply
    4,447.39x = 6,671.08 × 4,176.75
  4. Step 4: Simplify right side
    4,447.39x = 27,863,402.61
  5. Step 5: Solve for x
    x = 27,863,402.61/4,447.39
  6. Step 6: Final answer
    x = 6,265.11

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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.