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Finding the Fourth Proportional to 27,809.65, 41,696.05 and 15,335.65

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Solution

The fourth proportional to 27,809.65, 41,696.05 and 15,335.65 is: 22,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.65 : 41,696.05 = 15,335.65 : x
  2. Step 2: Convert to fraction form
    27,809.65/41,696.05 = 15,335.65/x
  3. Step 3: Cross multiply
    27,809.65x = 41,696.05 × 15,335.65
  4. Step 4: Simplify right side
    27,809.65x = 639,436,029.18
  5. Step 5: Solve for x
    x = 639,436,029.18/27,809.65
  6. Step 6: Final answer
    x = 22,993.31

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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.