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Finding the Fourth Proportional to 2,349.74, 3,235.26 and 1,994.92

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Solution

The fourth proportional to 2,349.74, 3,235.26 and 1,994.92 is: 2,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.74 : 3,235.26 = 1,994.92 : x
  2. Step 2: Convert to fraction form
    2,349.74/3,235.26 = 1,994.92/x
  3. Step 3: Cross multiply
    2,349.74x = 3,235.26 × 1,994.92
  4. Step 4: Simplify right side
    2,349.74x = 6,454,084.88
  5. Step 5: Solve for x
    x = 6,454,084.88/2,349.74
  6. Step 6: Final answer
    x = 2,746.72

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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.