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Finding the Fourth Proportional to 5,339.68, 8,007.04 and 1,874.56

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Solution

The fourth proportional to 5,339.68, 8,007.04 and 1,874.56 is: 2,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.68 : 8,007.04 = 1,874.56 : x
  2. Step 2: Convert to fraction form
    5,339.68/8,007.04 = 1,874.56/x
  3. Step 3: Cross multiply
    5,339.68x = 8,007.04 × 1,874.56
  4. Step 4: Simplify right side
    5,339.68x = 15,009,676.90
  5. Step 5: Solve for x
    x = 15,009,676.90/5,339.68
  6. Step 6: Final answer
    x = 2,810.97

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1.5x scale

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.