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Finding the Fourth Proportional to 27,511.67, 41,273.64 and 9,981.11

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Solution

The fourth proportional to 27,511.67, 41,273.64 and 9,981.11 is: 14,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.67 : 41,273.64 = 9,981.11 : x
  2. Step 2: Convert to fraction form
    27,511.67/41,273.64 = 9,981.11/x
  3. Step 3: Cross multiply
    27,511.67x = 41,273.64 × 9,981.11
  4. Step 4: Simplify right side
    27,511.67x = 411,956,534.57
  5. Step 5: Solve for x
    x = 411,956,534.57/27,511.67
  6. Step 6: Final answer
    x = 14,973.89

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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.