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Finding the Fourth Proportional to 27,058.77, 37,339.72 and 15,119.78

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Solution

The fourth proportional to 27,058.77, 37,339.72 and 15,119.78 is: 20,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,058.77 : 37,339.72 = 15,119.78 : x
  2. Step 2: Convert to fraction form
    27,058.77/37,339.72 = 15,119.78/x
  3. Step 3: Cross multiply
    27,058.77x = 37,339.72 × 15,119.78
  4. Step 4: Simplify right side
    27,058.77x = 564,568,127.16
  5. Step 5: Solve for x
    x = 564,568,127.16/27,058.77
  6. Step 6: Final answer
    x = 20,864.52

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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.