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Finding the Fourth Proportional to 18,410.44, 27,594.98 and 7,875.12

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Solution

The fourth proportional to 18,410.44, 27,594.98 and 7,875.12 is: 11,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.44 : 27,594.98 = 7,875.12 : x
  2. Step 2: Convert to fraction form
    18,410.44/27,594.98 = 7,875.12/x
  3. Step 3: Cross multiply
    18,410.44x = 27,594.98 × 7,875.12
  4. Step 4: Simplify right side
    18,410.44x = 217,313,872.53
  5. Step 5: Solve for x
    x = 217,313,872.53/18,410.44
  6. Step 6: Final answer
    x = 11,803.84

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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.