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Finding the Fourth Proportional to 22,416.46, 33,614.96 and 7,621.40

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Solution

The fourth proportional to 22,416.46, 33,614.96 and 7,621.40 is: 11,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.46 : 33,614.96 = 7,621.40 : x
  2. Step 2: Convert to fraction form
    22,416.46/33,614.96 = 7,621.40/x
  3. Step 3: Cross multiply
    22,416.46x = 33,614.96 × 7,621.40
  4. Step 4: Simplify right side
    22,416.46x = 256,193,056.14
  5. Step 5: Solve for x
    x = 256,193,056.14/22,416.46
  6. Step 6: Final answer
    x = 11,428.79

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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.