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Finding the Fourth Proportional to 9,906.73, 14,860.23 and 2,981.23

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Solution

The fourth proportional to 9,906.73, 14,860.23 and 2,981.23 is: 4,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.73 : 14,860.23 = 2,981.23 : x
  2. Step 2: Convert to fraction form
    9,906.73/14,860.23 = 2,981.23/x
  3. Step 3: Cross multiply
    9,906.73x = 14,860.23 × 2,981.23
  4. Step 4: Simplify right side
    9,906.73x = 44,301,763.48
  5. Step 5: Solve for x
    x = 44,301,763.48/9,906.73
  6. Step 6: Final answer
    x = 4,471.89

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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.