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Finding the Fourth Proportional to 39,473.44, 59,168.78 and 18,396.12

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Solution

The fourth proportional to 39,473.44, 59,168.78 and 18,396.12 is: 27,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.44 : 59,168.78 = 18,396.12 : x
  2. Step 2: Convert to fraction form
    39,473.44/59,168.78 = 18,396.12/x
  3. Step 3: Cross multiply
    39,473.44x = 59,168.78 × 18,396.12
  4. Step 4: Simplify right side
    39,473.44x = 1,088,475,977.13
  5. Step 5: Solve for x
    x = 1,088,475,977.13/39,473.44
  6. Step 6: Final answer
    x = 27,574.90

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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.