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Finding the Fourth Proportional to 11,886.48, 17,849.97 and 9,910.08

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Solution

The fourth proportional to 11,886.48, 17,849.97 and 9,910.08 is: 14,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.48 : 17,849.97 = 9,910.08 : x
  2. Step 2: Convert to fraction form
    11,886.48/17,849.97 = 9,910.08/x
  3. Step 3: Cross multiply
    11,886.48x = 17,849.97 × 9,910.08
  4. Step 4: Simplify right side
    11,886.48x = 176,894,630.70
  5. Step 5: Solve for x
    x = 176,894,630.70/11,886.48
  6. Step 6: Final answer
    x = 14,882.00

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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.