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Finding the Fourth Proportional to 27,246.92, 37,604.11 and 15,310

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Solution

The fourth proportional to 27,246.92, 37,604.11 and 15,310 is: 21,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.92 : 37,604.11 = 15,310 : x
  2. Step 2: Convert to fraction form
    27,246.92/37,604.11 = 15,310/x
  3. Step 3: Cross multiply
    27,246.92x = 37,604.11 × 15,310
  4. Step 4: Simplify right side
    27,246.92x = 575,718,924.10
  5. Step 5: Solve for x
    x = 575,718,924.10/27,246.92
  6. Step 6: Final answer
    x = 21,129.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.