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Finding the Fourth Proportional to 39,605.62, 59,388.98 and 19,591.99

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Solution

The fourth proportional to 39,605.62, 59,388.98 and 19,591.99 is: 29,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605.62 : 59,388.98 = 19,591.99 : x
  2. Step 2: Convert to fraction form
    39,605.62/59,388.98 = 19,591.99/x
  3. Step 3: Cross multiply
    39,605.62x = 59,388.98 × 19,591.99
  4. Step 4: Simplify right side
    39,605.62x = 1,163,548,202.78
  5. Step 5: Solve for x
    x = 1,163,548,202.78/39,605.62
  6. Step 6: Final answer
    x = 29,378.36

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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.