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Finding the Fourth Proportional to 5,498.57, 8,247.86 and 4,521.71

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Solution

The fourth proportional to 5,498.57, 8,247.86 and 4,521.71 is: 6,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.57 : 8,247.86 = 4,521.71 : x
  2. Step 2: Convert to fraction form
    5,498.57/8,247.86 = 4,521.71/x
  3. Step 3: Cross multiply
    5,498.57x = 8,247.86 × 4,521.71
  4. Step 4: Simplify right side
    5,498.57x = 37,294,408.43
  5. Step 5: Solve for x
    x = 37,294,408.43/5,498.57
  6. Step 6: Final answer
    x = 6,782.57

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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.