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Finding the Fourth Proportional to 1,956.57, 2,933.46 and 1,587.51

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Solution

The fourth proportional to 1,956.57, 2,933.46 and 1,587.51 is: 2,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.57 : 2,933.46 = 1,587.51 : x
  2. Step 2: Convert to fraction form
    1,956.57/2,933.46 = 1,587.51/x
  3. Step 3: Cross multiply
    1,956.57x = 2,933.46 × 1,587.51
  4. Step 4: Simplify right side
    1,956.57x = 4,656,897.08
  5. Step 5: Solve for x
    x = 4,656,897.08/1,956.57
  6. Step 6: Final answer
    x = 2,380.13

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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.