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Finding the Fourth Proportional to 19,062.62, 28,602.12 and 9,209.27

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Solution

The fourth proportional to 19,062.62, 28,602.12 and 9,209.27 is: 13,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.62 : 28,602.12 = 9,209.27 : x
  2. Step 2: Convert to fraction form
    19,062.62/28,602.12 = 9,209.27/x
  3. Step 3: Cross multiply
    19,062.62x = 28,602.12 × 9,209.27
  4. Step 4: Simplify right side
    19,062.62x = 263,404,645.65
  5. Step 5: Solve for x
    x = 263,404,645.65/19,062.62
  6. Step 6: Final answer
    x = 13,817.86

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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.