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Finding the Fourth Proportional to 86,951.62, 130,476.79 and 37,026.51

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Solution

The fourth proportional to 86,951.62, 130,476.79 and 37,026.51 is: 55,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.62 : 130,476.79 = 37,026.51 : x
  2. Step 2: Convert to fraction form
    86,951.62/130,476.79 = 37,026.51/x
  3. Step 3: Cross multiply
    86,951.62x = 130,476.79 × 37,026.51
  4. Step 4: Simplify right side
    86,951.62x = 4,831,099,984.57
  5. Step 5: Solve for x
    x = 4,831,099,984.57/86,951.62
  6. Step 6: Final answer
    x = 55,560.78

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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.