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Finding the Fourth Proportional to 19,465.70, 29,238.21 and 17,177.54

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Solution

The fourth proportional to 19,465.70, 29,238.21 and 17,177.54 is: 25,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.70 : 29,238.21 = 17,177.54 : x
  2. Step 2: Convert to fraction form
    19,465.70/29,238.21 = 17,177.54/x
  3. Step 3: Cross multiply
    19,465.70x = 29,238.21 × 17,177.54
  4. Step 4: Simplify right side
    19,465.70x = 502,240,375.61
  5. Step 5: Solve for x
    x = 502,240,375.61/19,465.70
  6. Step 6: Final answer
    x = 25,801.31

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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.