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Finding the Fourth Proportional to 16,348.62, 22,561.11 and 8,896.62

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Solution

The fourth proportional to 16,348.62, 22,561.11 and 8,896.62 is: 12,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,348.62 : 22,561.11 = 8,896.62 : x
  2. Step 2: Convert to fraction form
    16,348.62/22,561.11 = 8,896.62/x
  3. Step 3: Cross multiply
    16,348.62x = 22,561.11 × 8,896.62
  4. Step 4: Simplify right side
    16,348.62x = 200,717,622.45
  5. Step 5: Solve for x
    x = 200,717,622.45/16,348.62
  6. Step 6: Final answer
    x = 12,277.34

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Half scale
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Double scale
Find fourth proportional to 16,349.62, 22,562.49 and 8,897.62
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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.