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Finding the Fourth Proportional to 22,330.59, 30,814.34 and 12,258.99

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Solution

The fourth proportional to 22,330.59, 30,814.34 and 12,258.99 is: 16,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.59 : 30,814.34 = 12,258.99 : x
  2. Step 2: Convert to fraction form
    22,330.59/30,814.34 = 12,258.99/x
  3. Step 3: Cross multiply
    22,330.59x = 30,814.34 × 12,258.99
  4. Step 4: Simplify right side
    22,330.59x = 377,752,624.62
  5. Step 5: Solve for x
    x = 377,752,624.62/22,330.59
  6. Step 6: Final answer
    x = 16,916.37

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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.