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Finding the Fourth Proportional to 3,866.04, 5,332.86 and 2,671.32

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Solution

The fourth proportional to 3,866.04, 5,332.86 and 2,671.32 is: 3,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.04 : 5,332.86 = 2,671.32 : x
  2. Step 2: Convert to fraction form
    3,866.04/5,332.86 = 2,671.32/x
  3. Step 3: Cross multiply
    3,866.04x = 5,332.86 × 2,671.32
  4. Step 4: Simplify right side
    3,866.04x = 14,245,775.58
  5. Step 5: Solve for x
    x = 14,245,775.58/3,866.04
  6. Step 6: Final answer
    x = 3,684.85

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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.