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Finding the Fourth Proportional to 27,262.16, 40,889.88 and 7,273.20

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Solution

The fourth proportional to 27,262.16, 40,889.88 and 7,273.20 is: 10,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,262.16 : 40,889.88 = 7,273.20 : x
  2. Step 2: Convert to fraction form
    27,262.16/40,889.88 = 7,273.20/x
  3. Step 3: Cross multiply
    27,262.16x = 40,889.88 × 7,273.20
  4. Step 4: Simplify right side
    27,262.16x = 297,400,275.22
  5. Step 5: Solve for x
    x = 297,400,275.22/27,262.16
  6. Step 6: Final answer
    x = 10,908.90

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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.