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Finding the Fourth Proportional to 4,909.41, 6,775.02 and 2,671.29

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Solution

The fourth proportional to 4,909.41, 6,775.02 and 2,671.29 is: 3,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.41 : 6,775.02 = 2,671.29 : x
  2. Step 2: Convert to fraction form
    4,909.41/6,775.02 = 2,671.29/x
  3. Step 3: Cross multiply
    4,909.41x = 6,775.02 × 2,671.29
  4. Step 4: Simplify right side
    4,909.41x = 18,098,043.18
  5. Step 5: Solve for x
    x = 18,098,043.18/4,909.41
  6. Step 6: Final answer
    x = 3,686.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.