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Finding the Fourth Proportional to 39,395.30, 59,092.82 and 11,693.30

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Solution

The fourth proportional to 39,395.30, 59,092.82 and 11,693.30 is: 17,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.30 : 59,092.82 = 11,693.30 : x
  2. Step 2: Convert to fraction form
    39,395.30/59,092.82 = 11,693.30/x
  3. Step 3: Cross multiply
    39,395.30x = 59,092.82 × 11,693.30
  4. Step 4: Simplify right side
    39,395.30x = 690,990,072.11
  5. Step 5: Solve for x
    x = 690,990,072.11/39,395.30
  6. Step 6: Final answer
    x = 17,539.91

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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.