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Finding the Fourth Proportional to 19,174.70, 28,608.03 and 17,069.71

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Solution

The fourth proportional to 19,174.70, 28,608.03 and 17,069.71 is: 25,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.70 : 28,608.03 = 17,069.71 : x
  2. Step 2: Convert to fraction form
    19,174.70/28,608.03 = 17,069.71/x
  3. Step 3: Cross multiply
    19,174.70x = 28,608.03 × 17,069.71
  4. Step 4: Simplify right side
    19,174.70x = 488,330,775.77
  5. Step 5: Solve for x
    x = 488,330,775.77/19,174.70
  6. Step 6: Final answer
    x = 25,467.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.