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Finding the Fourth Proportional to 11,898.30, 17,837.42 and 7,506.08

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Solution

The fourth proportional to 11,898.30, 17,837.42 and 7,506.08 is: 11,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.30 : 17,837.42 = 7,506.08 : x
  2. Step 2: Convert to fraction form
    11,898.30/17,837.42 = 7,506.08/x
  3. Step 3: Cross multiply
    11,898.30x = 17,837.42 × 7,506.08
  4. Step 4: Simplify right side
    11,898.30x = 133,888,974.80
  5. Step 5: Solve for x
    x = 133,888,974.80/11,898.30
  6. Step 6: Final answer
    x = 11,252.78

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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.