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Finding the Fourth Proportional to 39,391.63, 59,070.02 and 11,305.17

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Solution

The fourth proportional to 39,391.63, 59,070.02 and 11,305.17 is: 16,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.63 : 59,070.02 = 11,305.17 : x
  2. Step 2: Convert to fraction form
    39,391.63/59,070.02 = 11,305.17/x
  3. Step 3: Cross multiply
    39,391.63x = 59,070.02 × 11,305.17
  4. Step 4: Simplify right side
    39,391.63x = 667,796,791.20
  5. Step 5: Solve for x
    x = 667,796,791.20/39,391.63
  6. Step 6: Final answer
    x = 16,952.76

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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.