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Finding the Fourth Proportional to 3,565.88, 4,921.02 and 1,994.24

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Solution

The fourth proportional to 3,565.88, 4,921.02 and 1,994.24 is: 2,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.88 : 4,921.02 = 1,994.24 : x
  2. Step 2: Convert to fraction form
    3,565.88/4,921.02 = 1,994.24/x
  3. Step 3: Cross multiply
    3,565.88x = 4,921.02 × 1,994.24
  4. Step 4: Simplify right side
    3,565.88x = 9,813,694.92
  5. Step 5: Solve for x
    x = 9,813,694.92/3,565.88
  6. Step 6: Final answer
    x = 2,752.11

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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.