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Finding the Fourth Proportional to 27,508.88, 41,266.06 and 9,980.08

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Solution

The fourth proportional to 27,508.88, 41,266.06 and 9,980.08 is: 14,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.88 : 41,266.06 = 9,980.08 : x
  2. Step 2: Convert to fraction form
    27,508.88/41,266.06 = 9,980.08/x
  3. Step 3: Cross multiply
    27,508.88x = 41,266.06 × 9,980.08
  4. Step 4: Simplify right side
    27,508.88x = 411,838,451.97
  5. Step 5: Solve for x
    x = 411,838,451.97/27,508.88
  6. Step 6: Final answer
    x = 14,971.11

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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.