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Finding the Fourth Proportional to 58,468.62, 87,683.06 and 19,015.94

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Solution

The fourth proportional to 58,468.62, 87,683.06 and 19,015.94 is: 28,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,468.62 : 87,683.06 = 19,015.94 : x
  2. Step 2: Convert to fraction form
    58,468.62/87,683.06 = 19,015.94/x
  3. Step 3: Cross multiply
    58,468.62x = 87,683.06 × 19,015.94
  4. Step 4: Simplify right side
    58,468.62x = 1,667,375,807.98
  5. Step 5: Solve for x
    x = 1,667,375,807.98/58,468.62
  6. Step 6: Final answer
    x = 28,517.45

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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.