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Finding the Fourth Proportional to 30,291.50, 41,799.26 and 17,548.79

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Solution

The fourth proportional to 30,291.50, 41,799.26 and 17,548.79 is: 24,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.50 : 41,799.26 = 17,548.79 : x
  2. Step 2: Convert to fraction form
    30,291.50/41,799.26 = 17,548.79/x
  3. Step 3: Cross multiply
    30,291.50x = 41,799.26 × 17,548.79
  4. Step 4: Simplify right side
    30,291.50x = 733,526,139.16
  5. Step 5: Solve for x
    x = 733,526,139.16/30,291.50
  6. Step 6: Final answer
    x = 24,215.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.