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Finding the Fourth Proportional to 8,348.68, 11,521.02 and 4,622.68

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Solution

The fourth proportional to 8,348.68, 11,521.02 and 4,622.68 is: 6,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.68 : 11,521.02 = 4,622.68 : x
  2. Step 2: Convert to fraction form
    8,348.68/11,521.02 = 4,622.68/x
  3. Step 3: Cross multiply
    8,348.68x = 11,521.02 × 4,622.68
  4. Step 4: Simplify right side
    8,348.68x = 53,257,988.73
  5. Step 5: Solve for x
    x = 53,257,988.73/8,348.68
  6. Step 6: Final answer
    x = 6,379.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.