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Finding the Fourth Proportional to 55,124, 82,670.71 and 15,133.35

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Solution

The fourth proportional to 55,124, 82,670.71 and 15,133.35 is: 22,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124 : 82,670.71 = 15,133.35 : x
  2. Step 2: Convert to fraction form
    55,124/82,670.71 = 15,133.35/x
  3. Step 3: Cross multiply
    55,124x = 82,670.71 × 15,133.35
  4. Step 4: Simplify right side
    55,124x = 1,251,084,789.18
  5. Step 5: Solve for x
    x = 1,251,084,789.18/55,124
  6. Step 6: Final answer
    x = 22,695.83

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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.