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Finding the Fourth Proportional to 13,435.80, 20,144.10 and 6,034.20

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Solution

The fourth proportional to 13,435.80, 20,144.10 and 6,034.20 is: 9,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.80 : 20,144.10 = 6,034.20 : x
  2. Step 2: Convert to fraction form
    13,435.80/20,144.10 = 6,034.20/x
  3. Step 3: Cross multiply
    13,435.80x = 20,144.10 × 6,034.20
  4. Step 4: Simplify right side
    13,435.80x = 121,553,528.22
  5. Step 5: Solve for x
    x = 121,553,528.22/13,435.80
  6. Step 6: Final answer
    x = 9,046.99

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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.