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Finding the Fourth Proportional to 16,624.23, 24,943.64 and 7,856.79

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Solution

The fourth proportional to 16,624.23, 24,943.64 and 7,856.79 is: 11,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,624.23 : 24,943.64 = 7,856.79 : x
  2. Step 2: Convert to fraction form
    16,624.23/24,943.64 = 7,856.79/x
  3. Step 3: Cross multiply
    16,624.23x = 24,943.64 × 7,856.79
  4. Step 4: Simplify right side
    16,624.23x = 195,976,902.03
  5. Step 5: Solve for x
    x = 195,976,902.03/16,624.23
  6. Step 6: Final answer
    x = 11,788.63

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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.