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Finding the Fourth Proportional to 5,903.67, 8,856.80 and 1,956.15

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Solution

The fourth proportional to 5,903.67, 8,856.80 and 1,956.15 is: 2,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.67 : 8,856.80 = 1,956.15 : x
  2. Step 2: Convert to fraction form
    5,903.67/8,856.80 = 1,956.15/x
  3. Step 3: Cross multiply
    5,903.67x = 8,856.80 × 1,956.15
  4. Step 4: Simplify right side
    5,903.67x = 17,325,202.29
  5. Step 5: Solve for x
    x = 17,325,202.29/5,903.67
  6. Step 6: Final answer
    x = 2,934.65

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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.