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Finding the Fourth Proportional to 30,477.62, 42,058.34 and 17,049.44

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Solution

The fourth proportional to 30,477.62, 42,058.34 and 17,049.44 is: 23,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.62 : 42,058.34 = 17,049.44 : x
  2. Step 2: Convert to fraction form
    30,477.62/42,058.34 = 17,049.44/x
  3. Step 3: Cross multiply
    30,477.62x = 42,058.34 × 17,049.44
  4. Step 4: Simplify right side
    30,477.62x = 717,071,144.33
  5. Step 5: Solve for x
    x = 717,071,144.33/30,477.62
  6. Step 6: Final answer
    x = 23,527.79

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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.