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Finding the Fourth Proportional to 27,058.99, 40,589.18 and 12,824.13

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Solution

The fourth proportional to 27,058.99, 40,589.18 and 12,824.13 is: 19,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,058.99 : 40,589.18 = 12,824.13 : x
  2. Step 2: Convert to fraction form
    27,058.99/40,589.18 = 12,824.13/x
  3. Step 3: Cross multiply
    27,058.99x = 40,589.18 × 12,824.13
  4. Step 4: Simplify right side
    27,058.99x = 520,520,920.91
  5. Step 5: Solve for x
    x = 520,520,920.91/27,058.99
  6. Step 6: Final answer
    x = 19,236.52

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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.