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Finding the Fourth Proportional to 22,439.31, 33,659.01 and 8,398.77

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Solution

The fourth proportional to 22,439.31, 33,659.01 and 8,398.77 is: 12,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.31 : 33,659.01 = 8,398.77 : x
  2. Step 2: Convert to fraction form
    22,439.31/33,659.01 = 8,398.77/x
  3. Step 3: Cross multiply
    22,439.31x = 33,659.01 × 8,398.77
  4. Step 4: Simplify right side
    22,439.31x = 282,694,283.42
  5. Step 5: Solve for x
    x = 282,694,283.42/22,439.31
  6. Step 6: Final answer
    x = 12,598.17

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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.