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Finding the Fourth Proportional to 35,320.96, 48,742.92 and 19,404.88

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Solution

The fourth proportional to 35,320.96, 48,742.92 and 19,404.88 is: 26,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.96 : 48,742.92 = 19,404.88 : x
  2. Step 2: Convert to fraction form
    35,320.96/48,742.92 = 19,404.88/x
  3. Step 3: Cross multiply
    35,320.96x = 48,742.92 × 19,404.88
  4. Step 4: Simplify right side
    35,320.96x = 945,850,513.45
  5. Step 5: Solve for x
    x = 945,850,513.45/35,320.96
  6. Step 6: Final answer
    x = 26,778.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.