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Finding the Fourth Proportional to 3,969.60, 5,951.04 and 1,503.06

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Solution

The fourth proportional to 3,969.60, 5,951.04 and 1,503.06 is: 2,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.60 : 5,951.04 = 1,503.06 : x
  2. Step 2: Convert to fraction form
    3,969.60/5,951.04 = 1,503.06/x
  3. Step 3: Cross multiply
    3,969.60x = 5,951.04 × 1,503.06
  4. Step 4: Simplify right side
    3,969.60x = 8,944,770.18
  5. Step 5: Solve for x
    x = 8,944,770.18/3,969.60
  6. Step 6: Final answer
    x = 2,253.32

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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.