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Finding the Fourth Proportional to 64,797.53, 89,390.03 and 37,923.39

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Solution

The fourth proportional to 64,797.53, 89,390.03 and 37,923.39 is: 52,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,797.53 : 89,390.03 = 37,923.39 : x
  2. Step 2: Convert to fraction form
    64,797.53/89,390.03 = 37,923.39/x
  3. Step 3: Cross multiply
    64,797.53x = 89,390.03 × 37,923.39
  4. Step 4: Simplify right side
    64,797.53x = 3,389,972,780.18
  5. Step 5: Solve for x
    x = 3,389,972,780.18/64,797.53
  6. Step 6: Final answer
    x = 52,316.39

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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.