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Finding the Fourth Proportional to 8,759.50, 12,073.70 and 6,208.11

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Solution

The fourth proportional to 8,759.50, 12,073.70 and 6,208.11 is: 8,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.50 : 12,073.70 = 6,208.11 : x
  2. Step 2: Convert to fraction form
    8,759.50/12,073.70 = 6,208.11/x
  3. Step 3: Cross multiply
    8,759.50x = 12,073.70 × 6,208.11
  4. Step 4: Simplify right side
    8,759.50x = 74,954,873.23
  5. Step 5: Solve for x
    x = 74,954,873.23/8,759.50
  6. Step 6: Final answer
    x = 8,556.98

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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.