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Finding the Fourth Proportional to 58,473.50, 87,711.59 and 19,033.68

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Solution

The fourth proportional to 58,473.50, 87,711.59 and 19,033.68 is: 28,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,473.50 : 87,711.59 = 19,033.68 : x
  2. Step 2: Convert to fraction form
    58,473.50/87,711.59 = 19,033.68/x
  3. Step 3: Cross multiply
    58,473.50x = 87,711.59 × 19,033.68
  4. Step 4: Simplify right side
    58,473.50x = 1,669,474,712.85
  5. Step 5: Solve for x
    x = 1,669,474,712.85/58,473.50
  6. Step 6: Final answer
    x = 28,550.97

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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.