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Finding the Fourth Proportional to 8,908.35, 13,362.84 and 3,064.92

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Solution

The fourth proportional to 8,908.35, 13,362.84 and 3,064.92 is: 4,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.35 : 13,362.84 = 3,064.92 : x
  2. Step 2: Convert to fraction form
    8,908.35/13,362.84 = 3,064.92/x
  3. Step 3: Cross multiply
    8,908.35x = 13,362.84 × 3,064.92
  4. Step 4: Simplify right side
    8,908.35x = 40,956,035.57
  5. Step 5: Solve for x
    x = 40,956,035.57/8,908.35
  6. Step 6: Final answer
    x = 4,597.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.