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Finding the Fourth Proportional to 22,094.69, 30,490.81 and 12,023.21

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Solution

The fourth proportional to 22,094.69, 30,490.81 and 12,023.21 is: 16,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,094.69 : 30,490.81 = 12,023.21 : x
  2. Step 2: Convert to fraction form
    22,094.69/30,490.81 = 12,023.21/x
  3. Step 3: Cross multiply
    22,094.69x = 30,490.81 × 12,023.21
  4. Step 4: Simplify right side
    22,094.69x = 366,597,411.70
  5. Step 5: Solve for x
    x = 366,597,411.70/22,094.69
  6. Step 6: Final answer
    x = 16,592.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.