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Finding the Fourth Proportional to 39,495, 59,251.86 and 11,793.72

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Solution

The fourth proportional to 39,495, 59,251.86 and 11,793.72 is: 17,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495 : 59,251.86 = 11,793.72 : x
  2. Step 2: Convert to fraction form
    39,495/59,251.86 = 11,793.72/x
  3. Step 3: Cross multiply
    39,495x = 59,251.86 × 11,793.72
  4. Step 4: Simplify right side
    39,495x = 698,799,846.32
  5. Step 5: Solve for x
    x = 698,799,846.32/39,495
  6. Step 6: Final answer
    x = 17,693.38

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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.