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Finding the Fourth Proportional to 39,801.70, 59,704.38 and 37,886.56

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Solution

The fourth proportional to 39,801.70, 59,704.38 and 37,886.56 is: 56,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.70 : 59,704.38 = 37,886.56 : x
  2. Step 2: Convert to fraction form
    39,801.70/59,704.38 = 37,886.56/x
  3. Step 3: Cross multiply
    39,801.70x = 59,704.38 × 37,886.56
  4. Step 4: Simplify right side
    39,801.70x = 2,261,993,575.13
  5. Step 5: Solve for x
    x = 2,261,993,575.13/39,801.70
  6. Step 6: Final answer
    x = 56,831.58

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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.