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Finding the Fourth Proportional to 27,115.61, 40,673.61 and 10,481.04

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Solution

The fourth proportional to 27,115.61, 40,673.61 and 10,481.04 is: 15,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.61 : 40,673.61 = 10,481.04 : x
  2. Step 2: Convert to fraction form
    27,115.61/40,673.61 = 10,481.04/x
  3. Step 3: Cross multiply
    27,115.61x = 40,673.61 × 10,481.04
  4. Step 4: Simplify right side
    27,115.61x = 426,301,733.35
  5. Step 5: Solve for x
    x = 426,301,733.35/27,115.61
  6. Step 6: Final answer
    x = 15,721.64

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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.