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Finding the Fourth Proportional to 58,281.73, 87,520.10 and 50,949.81

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Solution

The fourth proportional to 58,281.73, 87,520.10 and 50,949.81 is: 76,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.73 : 87,520.10 = 50,949.81 : x
  2. Step 2: Convert to fraction form
    58,281.73/87,520.10 = 50,949.81/x
  3. Step 3: Cross multiply
    58,281.73x = 87,520.10 × 50,949.81
  4. Step 4: Simplify right side
    58,281.73x = 4,459,132,211.43
  5. Step 5: Solve for x
    x = 4,459,132,211.43/58,281.73
  6. Step 6: Final answer
    x = 76,509.95

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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.