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Finding the Fourth Proportional to 55,018.59, 75,960.94 and 37,819.56

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Solution

The fourth proportional to 55,018.59, 75,960.94 and 37,819.56 is: 52,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,018.59 : 75,960.94 = 37,819.56 : x
  2. Step 2: Convert to fraction form
    55,018.59/75,960.94 = 37,819.56/x
  3. Step 3: Cross multiply
    55,018.59x = 75,960.94 × 37,819.56
  4. Step 4: Simplify right side
    55,018.59x = 2,872,809,161.92
  5. Step 5: Solve for x
    x = 2,872,809,161.92/55,018.59
  6. Step 6: Final answer
    x = 52,215.24

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1.5x scale

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.