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Finding the Fourth Proportional to 4,891.08, 7,336.84 and 1,559.68

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Solution

The fourth proportional to 4,891.08, 7,336.84 and 1,559.68 is: 2,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.08 : 7,336.84 = 1,559.68 : x
  2. Step 2: Convert to fraction form
    4,891.08/7,336.84 = 1,559.68/x
  3. Step 3: Cross multiply
    4,891.08x = 7,336.84 × 1,559.68
  4. Step 4: Simplify right side
    4,891.08x = 11,443,122.61
  5. Step 5: Solve for x
    x = 11,443,122.61/4,891.08
  6. Step 6: Final answer
    x = 2,339.59

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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.