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Finding the Fourth Proportional to 27,305.10, 40,963.11 and 8,589.84

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Solution

The fourth proportional to 27,305.10, 40,963.11 and 8,589.84 is: 12,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.10 : 40,963.11 = 8,589.84 : x
  2. Step 2: Convert to fraction form
    27,305.10/40,963.11 = 8,589.84/x
  3. Step 3: Cross multiply
    27,305.10x = 40,963.11 × 8,589.84
  4. Step 4: Simplify right side
    27,305.10x = 351,866,746.63
  5. Step 5: Solve for x
    x = 351,866,746.63/27,305.10
  6. Step 6: Final answer
    x = 12,886.49

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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.