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Finding the Fourth Proportional to 16,661.34, 22,993.02 and 9,108.17

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Solution

The fourth proportional to 16,661.34, 22,993.02 and 9,108.17 is: 12,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.34 : 22,993.02 = 9,108.17 : x
  2. Step 2: Convert to fraction form
    16,661.34/22,993.02 = 9,108.17/x
  3. Step 3: Cross multiply
    16,661.34x = 22,993.02 × 9,108.17
  4. Step 4: Simplify right side
    16,661.34x = 209,424,334.97
  5. Step 5: Solve for x
    x = 209,424,334.97/16,661.34
  6. Step 6: Final answer
    x = 12,569.48

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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.