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Finding the Fourth Proportional to 5,374.76, 8,062.24 and 1,479.14

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Solution

The fourth proportional to 5,374.76, 8,062.24 and 1,479.14 is: 2,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.76 : 8,062.24 = 1,479.14 : x
  2. Step 2: Convert to fraction form
    5,374.76/8,062.24 = 1,479.14/x
  3. Step 3: Cross multiply
    5,374.76x = 8,062.24 × 1,479.14
  4. Step 4: Simplify right side
    5,374.76x = 11,925,181.67
  5. Step 5: Solve for x
    x = 11,925,181.67/5,374.76
  6. Step 6: Final answer
    x = 2,218.74

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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.