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Finding the Fourth Proportional to 1,956.44, 2,909.54 and 1,894.92

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Solution

The fourth proportional to 1,956.44, 2,909.54 and 1,894.92 is: 2,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.44 : 2,909.54 = 1,894.92 : x
  2. Step 2: Convert to fraction form
    1,956.44/2,909.54 = 1,894.92/x
  3. Step 3: Cross multiply
    1,956.44x = 2,909.54 × 1,894.92
  4. Step 4: Simplify right side
    1,956.44x = 5,513,345.54
  5. Step 5: Solve for x
    x = 5,513,345.54/1,956.44
  6. Step 6: Final answer
    x = 2,818.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.