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Finding the Fourth Proportional to 11,073.90, 15,282.03 and 6,599.90

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Solution

The fourth proportional to 11,073.90, 15,282.03 and 6,599.90 is: 9,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.90 : 15,282.03 = 6,599.90 : x
  2. Step 2: Convert to fraction form
    11,073.90/15,282.03 = 6,599.90/x
  3. Step 3: Cross multiply
    11,073.90x = 15,282.03 × 6,599.90
  4. Step 4: Simplify right side
    11,073.90x = 100,859,869.80
  5. Step 5: Solve for x
    x = 100,859,869.80/11,073.90
  6. Step 6: Final answer
    x = 9,107.89

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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.