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Finding the Fourth Proportional to 11,244.62, 16,866.95 and 9,801.20

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Solution

The fourth proportional to 11,244.62, 16,866.95 and 9,801.20 is: 14,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.62 : 16,866.95 = 9,801.20 : x
  2. Step 2: Convert to fraction form
    11,244.62/16,866.95 = 9,801.20/x
  3. Step 3: Cross multiply
    11,244.62x = 16,866.95 × 9,801.20
  4. Step 4: Simplify right side
    11,244.62x = 165,316,217.00
  5. Step 5: Solve for x
    x = 165,316,217.00/11,244.62
  6. Step 6: Final answer
    x = 14,701.81

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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.