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Finding the Fourth Proportional to 8,903.91, 12,286.98 and 4,924.92

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Solution

The fourth proportional to 8,903.91, 12,286.98 and 4,924.92 is: 6,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.91 : 12,286.98 = 4,924.92 : x
  2. Step 2: Convert to fraction form
    8,903.91/12,286.98 = 4,924.92/x
  3. Step 3: Cross multiply
    8,903.91x = 12,286.98 × 4,924.92
  4. Step 4: Simplify right side
    8,903.91x = 60,512,393.54
  5. Step 5: Solve for x
    x = 60,512,393.54/8,903.91
  6. Step 6: Final answer
    x = 6,796.16

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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.