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Finding the Fourth Proportional to 17,572.79, 26,330.02 and 12,367.73

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Solution

The fourth proportional to 17,572.79, 26,330.02 and 12,367.73 is: 18,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.79 : 26,330.02 = 12,367.73 : x
  2. Step 2: Convert to fraction form
    17,572.79/26,330.02 = 12,367.73/x
  3. Step 3: Cross multiply
    17,572.79x = 26,330.02 × 12,367.73
  4. Step 4: Simplify right side
    17,572.79x = 325,642,578.25
  5. Step 5: Solve for x
    x = 325,642,578.25/17,572.79
  6. Step 6: Final answer
    x = 18,531.07

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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.