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Finding the Fourth Proportional to 9,273.65, 12,797.21 and 5,081.81

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Solution

The fourth proportional to 9,273.65, 12,797.21 and 5,081.81 is: 7,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.65 : 12,797.21 = 5,081.81 : x
  2. Step 2: Convert to fraction form
    9,273.65/12,797.21 = 5,081.81/x
  3. Step 3: Cross multiply
    9,273.65x = 12,797.21 × 5,081.81
  4. Step 4: Simplify right side
    9,273.65x = 65,032,938.47
  5. Step 5: Solve for x
    x = 65,032,938.47/9,273.65
  6. Step 6: Final answer
    x = 7,012.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.