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Finding the Fourth Proportional to 17,503.69, 26,229.60 and 14,405.71

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Solution

The fourth proportional to 17,503.69, 26,229.60 and 14,405.71 is: 21,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.69 : 26,229.60 = 14,405.71 : x
  2. Step 2: Convert to fraction form
    17,503.69/26,229.60 = 14,405.71/x
  3. Step 3: Cross multiply
    17,503.69x = 26,229.60 × 14,405.71
  4. Step 4: Simplify right side
    17,503.69x = 377,856,011.02
  5. Step 5: Solve for x
    x = 377,856,011.02/17,503.69
  6. Step 6: Final answer
    x = 21,587.22

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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.