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Finding the Fourth Proportional to 19,453.89, 29,175.96 and 5,602.89

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Solution

The fourth proportional to 19,453.89, 29,175.96 and 5,602.89 is: 8,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.89 : 29,175.96 = 5,602.89 : x
  2. Step 2: Convert to fraction form
    19,453.89/29,175.96 = 5,602.89/x
  3. Step 3: Cross multiply
    19,453.89x = 29,175.96 × 5,602.89
  4. Step 4: Simplify right side
    19,453.89x = 163,469,694.52
  5. Step 5: Solve for x
    x = 163,469,694.52/19,453.89
  6. Step 6: Final answer
    x = 8,402.93

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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.