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Finding the Fourth Proportional to 6,806.64, 9,392.92 and 3,822.48

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Solution

The fourth proportional to 6,806.64, 9,392.92 and 3,822.48 is: 5,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.64 : 9,392.92 = 3,822.48 : x
  2. Step 2: Convert to fraction form
    6,806.64/9,392.92 = 3,822.48/x
  3. Step 3: Cross multiply
    6,806.64x = 9,392.92 × 3,822.48
  4. Step 4: Simplify right side
    6,806.64x = 35,904,248.84
  5. Step 5: Solve for x
    x = 35,904,248.84/6,806.64
  6. Step 6: Final answer
    x = 5,274.89

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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.