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Finding the Fourth Proportional to 16,353.75, 22,568.36 and 8,901.75

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Solution

The fourth proportional to 16,353.75, 22,568.36 and 8,901.75 is: 12,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353.75 : 22,568.36 = 8,901.75 : x
  2. Step 2: Convert to fraction form
    16,353.75/22,568.36 = 8,901.75/x
  3. Step 3: Cross multiply
    16,353.75x = 22,568.36 × 8,901.75
  4. Step 4: Simplify right side
    16,353.75x = 200,897,854.12
  5. Step 5: Solve for x
    x = 200,897,854.12/16,353.75
  6. Step 6: Final answer
    x = 12,284.51

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Double scale
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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.