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Finding the Fourth Proportional to 27,695.22, 41,542.92 and 6,918.72

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Solution

The fourth proportional to 27,695.22, 41,542.92 and 6,918.72 is: 10,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695.22 : 41,542.92 = 6,918.72 : x
  2. Step 2: Convert to fraction form
    27,695.22/41,542.92 = 6,918.72/x
  3. Step 3: Cross multiply
    27,695.22x = 41,542.92 × 6,918.72
  4. Step 4: Simplify right side
    27,695.22x = 287,423,831.46
  5. Step 5: Solve for x
    x = 287,423,831.46/27,695.22
  6. Step 6: Final answer
    x = 10,378.10

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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.