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Finding the Fourth Proportional to 55,237, 82,859.10 and 15,797.32

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Solution

The fourth proportional to 55,237, 82,859.10 and 15,797.32 is: 23,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,237 : 82,859.10 = 15,797.32 : x
  2. Step 2: Convert to fraction form
    55,237/82,859.10 = 15,797.32/x
  3. Step 3: Cross multiply
    55,237x = 82,859.10 × 15,797.32
  4. Step 4: Simplify right side
    55,237x = 1,308,951,717.61
  5. Step 5: Solve for x
    x = 1,308,951,717.61/55,237
  6. Step 6: Final answer
    x = 23,697.01

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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.