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Finding the Fourth Proportional to 6,391.06, 8,822.84 and 4,952.19

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Solution

The fourth proportional to 6,391.06, 8,822.84 and 4,952.19 is: 6,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.06 : 8,822.84 = 4,952.19 : x
  2. Step 2: Convert to fraction form
    6,391.06/8,822.84 = 4,952.19/x
  3. Step 3: Cross multiply
    6,391.06x = 8,822.84 × 4,952.19
  4. Step 4: Simplify right side
    6,391.06x = 43,692,380.02
  5. Step 5: Solve for x
    x = 43,692,380.02/6,391.06
  6. Step 6: Final answer
    x = 6,836.48

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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.