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Finding the Fourth Proportional to 55,903.87, 77,133.99 and 37,788.37

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Solution

The fourth proportional to 55,903.87, 77,133.99 and 37,788.37 is: 52,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.87 : 77,133.99 = 37,788.37 : x
  2. Step 2: Convert to fraction form
    55,903.87/77,133.99 = 37,788.37/x
  3. Step 3: Cross multiply
    55,903.87x = 77,133.99 × 37,788.37
  4. Step 4: Simplify right side
    55,903.87x = 2,914,767,923.89
  5. Step 5: Solve for x
    x = 2,914,767,923.89/55,903.87
  6. Step 6: Final answer
    x = 52,138.93

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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.