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Finding the Fourth Proportional to 39,636.21, 59,464.22 and 27,972.21

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Solution

The fourth proportional to 39,636.21, 59,464.22 and 27,972.21 is: 41,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.21 : 59,464.22 = 27,972.21 : x
  2. Step 2: Convert to fraction form
    39,636.21/59,464.22 = 27,972.21/x
  3. Step 3: Cross multiply
    39,636.21x = 59,464.22 × 27,972.21
  4. Step 4: Simplify right side
    39,636.21x = 1,663,345,509.47
  5. Step 5: Solve for x
    x = 1,663,345,509.47/39,636.21
  6. Step 6: Final answer
    x = 41,965.30

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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.