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Finding the Fourth Proportional to 3,375.52, 4,661.76 and 3,009.04

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Solution

The fourth proportional to 3,375.52, 4,661.76 and 3,009.04 is: 4,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.52 : 4,661.76 = 3,009.04 : x
  2. Step 2: Convert to fraction form
    3,375.52/4,661.76 = 3,009.04/x
  3. Step 3: Cross multiply
    3,375.52x = 4,661.76 × 3,009.04
  4. Step 4: Simplify right side
    3,375.52x = 14,027,422.31
  5. Step 5: Solve for x
    x = 14,027,422.31/3,375.52
  6. Step 6: Final answer
    x = 4,155.63

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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.