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Finding the Fourth Proportional to 9,270.94, 12,793.77 and 5,079.22

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Solution

The fourth proportional to 9,270.94, 12,793.77 and 5,079.22 is: 7,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.94 : 12,793.77 = 5,079.22 : x
  2. Step 2: Convert to fraction form
    9,270.94/12,793.77 = 5,079.22/x
  3. Step 3: Cross multiply
    9,270.94x = 12,793.77 × 5,079.22
  4. Step 4: Simplify right side
    9,270.94x = 64,982,372.46
  5. Step 5: Solve for x
    x = 64,982,372.46/9,270.94
  6. Step 6: Final answer
    x = 7,009.25

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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.