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Finding the Fourth Proportional to 15,297.92, 22,895.84 and 8,722.36

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Solution

The fourth proportional to 15,297.92, 22,895.84 and 8,722.36 is: 13,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.92 : 22,895.84 = 8,722.36 : x
  2. Step 2: Convert to fraction form
    15,297.92/22,895.84 = 8,722.36/x
  3. Step 3: Cross multiply
    15,297.92x = 22,895.84 × 8,722.36
  4. Step 4: Simplify right side
    15,297.92x = 199,705,758.98
  5. Step 5: Solve for x
    x = 199,705,758.98/15,297.92
  6. Step 6: Final answer
    x = 13,054.44

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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.