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Finding the Fourth Proportional to 27,253.29, 40,822.49 and 12,474.63

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Solution

The fourth proportional to 27,253.29, 40,822.49 and 12,474.63 is: 18,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253.29 : 40,822.49 = 12,474.63 : x
  2. Step 2: Convert to fraction form
    27,253.29/40,822.49 = 12,474.63/x
  3. Step 3: Cross multiply
    27,253.29x = 40,822.49 × 12,474.63
  4. Step 4: Simplify right side
    27,253.29x = 509,245,396.06
  5. Step 5: Solve for x
    x = 509,245,396.06/27,253.29
  6. Step 6: Final answer
    x = 18,685.65

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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.