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Finding the Fourth Proportional to 27,509.88, 41,267.56 and 9,981.08

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Solution

The fourth proportional to 27,509.88, 41,267.56 and 9,981.08 is: 14,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509.88 : 41,267.56 = 9,981.08 : x
  2. Step 2: Convert to fraction form
    27,509.88/41,267.56 = 9,981.08/x
  3. Step 3: Cross multiply
    27,509.88x = 41,267.56 × 9,981.08
  4. Step 4: Simplify right side
    27,509.88x = 411,894,817.76
  5. Step 5: Solve for x
    x = 411,894,817.76/27,509.88
  6. Step 6: Final answer
    x = 14,972.61

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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.