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Finding the Fourth Proportional to 27,292.88, 40,939.32 and 8,826.32

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Solution

The fourth proportional to 27,292.88, 40,939.32 and 8,826.32 is: 13,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.88 : 40,939.32 = 8,826.32 : x
  2. Step 2: Convert to fraction form
    27,292.88/40,939.32 = 8,826.32/x
  3. Step 3: Cross multiply
    27,292.88x = 40,939.32 × 8,826.32
  4. Step 4: Simplify right side
    27,292.88x = 361,343,538.90
  5. Step 5: Solve for x
    x = 361,343,538.90/27,292.88
  6. Step 6: Final answer
    x = 13,239.48

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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.