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Finding the Fourth Proportional to 39,865.03, 59,796.04 and 9,879.35

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Solution

The fourth proportional to 39,865.03, 59,796.04 and 9,879.35 is: 14,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.03 : 59,796.04 = 9,879.35 : x
  2. Step 2: Convert to fraction form
    39,865.03/59,796.04 = 9,879.35/x
  3. Step 3: Cross multiply
    39,865.03x = 59,796.04 × 9,879.35
  4. Step 4: Simplify right side
    39,865.03x = 590,745,945.38
  5. Step 5: Solve for x
    x = 590,745,945.38/39,865.03
  6. Step 6: Final answer
    x = 14,818.65

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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.