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Finding the Fourth Proportional to 2,886.68, 4,330.02 and 834.68

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Solution

The fourth proportional to 2,886.68, 4,330.02 and 834.68 is: 1,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.68 : 4,330.02 = 834.68 : x
  2. Step 2: Convert to fraction form
    2,886.68/4,330.02 = 834.68/x
  3. Step 3: Cross multiply
    2,886.68x = 4,330.02 × 834.68
  4. Step 4: Simplify right side
    2,886.68x = 3,614,181.09
  5. Step 5: Solve for x
    x = 3,614,181.09/2,886.68
  6. Step 6: Final answer
    x = 1,252.02

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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.