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Finding the Fourth Proportional to 35,773.78, 53,648.52 and 12,394.76

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Solution

The fourth proportional to 35,773.78, 53,648.52 and 12,394.76 is: 18,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,773.78 : 53,648.52 = 12,394.76 : x
  2. Step 2: Convert to fraction form
    35,773.78/53,648.52 = 12,394.76/x
  3. Step 3: Cross multiply
    35,773.78x = 53,648.52 × 12,394.76
  4. Step 4: Simplify right side
    35,773.78x = 664,960,529.76
  5. Step 5: Solve for x
    x = 664,960,529.76/35,773.78
  6. Step 6: Final answer
    x = 18,587.93

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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.