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Finding the Fourth Proportional to 58,154.84, 87,118.64 and 27,716.66

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Solution

The fourth proportional to 58,154.84, 87,118.64 and 27,716.66 is: 41,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,154.84 : 87,118.64 = 27,716.66 : x
  2. Step 2: Convert to fraction form
    58,154.84/87,118.64 = 27,716.66/x
  3. Step 3: Cross multiply
    58,154.84x = 87,118.64 × 27,716.66
  4. Step 4: Simplify right side
    58,154.84x = 2,414,637,724.54
  5. Step 5: Solve for x
    x = 2,414,637,724.54/58,154.84
  6. Step 6: Final answer
    x = 41,520.84

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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.