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Finding the Fourth Proportional to 27,338.88, 37,727.88 and 15,401.16

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Solution

The fourth proportional to 27,338.88, 37,727.88 and 15,401.16 is: 21,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.88 : 37,727.88 = 15,401.16 : x
  2. Step 2: Convert to fraction form
    27,338.88/37,727.88 = 15,401.16/x
  3. Step 3: Cross multiply
    27,338.88x = 37,727.88 × 15,401.16
  4. Step 4: Simplify right side
    27,338.88x = 581,053,116.34
  5. Step 5: Solve for x
    x = 581,053,116.34/27,338.88
  6. Step 6: Final answer
    x = 21,253.73

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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.