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Finding the Fourth Proportional to 3,591.55, 4,956.38 and 2,019.63

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Solution

The fourth proportional to 3,591.55, 4,956.38 and 2,019.63 is: 2,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.55 : 4,956.38 = 2,019.63 : x
  2. Step 2: Convert to fraction form
    3,591.55/4,956.38 = 2,019.63/x
  3. Step 3: Cross multiply
    3,591.55x = 4,956.38 × 2,019.63
  4. Step 4: Simplify right side
    3,591.55x = 10,010,053.74
  5. Step 5: Solve for x
    x = 10,010,053.74/3,591.55
  6. Step 6: Final answer
    x = 2,787.11

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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.