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Finding the Fourth Proportional to 27,031.25, 37,301.90 and 15,092.25

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Solution

The fourth proportional to 27,031.25, 37,301.90 and 15,092.25 is: 20,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.25 : 37,301.90 = 15,092.25 : x
  2. Step 2: Convert to fraction form
    27,031.25/37,301.90 = 15,092.25/x
  3. Step 3: Cross multiply
    27,031.25x = 37,301.90 × 15,092.25
  4. Step 4: Simplify right side
    27,031.25x = 562,969,524.81
  5. Step 5: Solve for x
    x = 562,969,524.81/27,031.25
  6. Step 6: Final answer
    x = 20,826.62

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1.5x scale

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.