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Finding the Fourth Proportional to 12,835.44, 19,226.88 and 8,876.88

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Solution

The fourth proportional to 12,835.44, 19,226.88 and 8,876.88 is: 13,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.44 : 19,226.88 = 8,876.88 : x
  2. Step 2: Convert to fraction form
    12,835.44/19,226.88 = 8,876.88/x
  3. Step 3: Cross multiply
    12,835.44x = 19,226.88 × 8,876.88
  4. Step 4: Simplify right side
    12,835.44x = 170,674,706.53
  5. Step 5: Solve for x
    x = 170,674,706.53/12,835.44
  6. Step 6: Final answer
    x = 13,297.14

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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.