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Finding the Fourth Proportional to 58,793.84, 81,133.19 and 34,919.90

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Solution

The fourth proportional to 58,793.84, 81,133.19 and 34,919.90 is: 48,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,793.84 : 81,133.19 = 34,919.90 : x
  2. Step 2: Convert to fraction form
    58,793.84/81,133.19 = 34,919.90/x
  3. Step 3: Cross multiply
    58,793.84x = 81,133.19 × 34,919.90
  4. Step 4: Simplify right side
    58,793.84x = 2,833,162,881.48
  5. Step 5: Solve for x
    x = 2,833,162,881.48/58,793.84
  6. Step 6: Final answer
    x = 48,188.09

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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.