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Finding the Fourth Proportional to 37,991.43, 56,982.02 and 9,913.46

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Solution

The fourth proportional to 37,991.43, 56,982.02 and 9,913.46 is: 14,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.43 : 56,982.02 = 9,913.46 : x
  2. Step 2: Convert to fraction form
    37,991.43/56,982.02 = 9,913.46/x
  3. Step 3: Cross multiply
    37,991.43x = 56,982.02 × 9,913.46
  4. Step 4: Simplify right side
    37,991.43x = 564,888,641.51
  5. Step 5: Solve for x
    x = 564,888,641.51/37,991.43
  6. Step 6: Final answer
    x = 14,868.84

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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.