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Finding the Fourth Proportional to 39,496.80, 59,245.19 and 15,815.01

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Solution

The fourth proportional to 39,496.80, 59,245.19 and 15,815.01 is: 23,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,496.80 : 59,245.19 = 15,815.01 : x
  2. Step 2: Convert to fraction form
    39,496.80/59,245.19 = 15,815.01/x
  3. Step 3: Cross multiply
    39,496.80x = 59,245.19 × 15,815.01
  4. Step 4: Simplify right side
    39,496.80x = 936,963,272.30
  5. Step 5: Solve for x
    x = 936,963,272.30/39,496.80
  6. Step 6: Final answer
    x = 23,722.51

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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.