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Finding the Fourth Proportional to 8,988.39, 13,472.06 and 6,020.55

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Solution

The fourth proportional to 8,988.39, 13,472.06 and 6,020.55 is: 9,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.39 : 13,472.06 = 6,020.55 : x
  2. Step 2: Convert to fraction form
    8,988.39/13,472.06 = 6,020.55/x
  3. Step 3: Cross multiply
    8,988.39x = 13,472.06 × 6,020.55
  4. Step 4: Simplify right side
    8,988.39x = 81,109,180.73
  5. Step 5: Solve for x
    x = 81,109,180.73/8,988.39
  6. Step 6: Final answer
    x = 9,023.77

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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.