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Finding the Fourth Proportional to 18,200.55, 27,246.15 and 10,801.20

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Solution

The fourth proportional to 18,200.55, 27,246.15 and 10,801.20 is: 16,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.55 : 27,246.15 = 10,801.20 : x
  2. Step 2: Convert to fraction form
    18,200.55/27,246.15 = 10,801.20/x
  3. Step 3: Cross multiply
    18,200.55x = 27,246.15 × 10,801.20
  4. Step 4: Simplify right side
    18,200.55x = 294,291,115.38
  5. Step 5: Solve for x
    x = 294,291,115.38/18,200.55
  6. Step 6: Final answer
    x = 16,169.35

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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.