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Finding the Fourth Proportional to 59,506.99, 89,204.36 and 20,036.50

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Solution

The fourth proportional to 59,506.99, 89,204.36 and 20,036.50 is: 30,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,506.99 : 89,204.36 = 20,036.50 : x
  2. Step 2: Convert to fraction form
    59,506.99/89,204.36 = 20,036.50/x
  3. Step 3: Cross multiply
    59,506.99x = 89,204.36 × 20,036.50
  4. Step 4: Simplify right side
    59,506.99x = 1,787,342,835.95
  5. Step 5: Solve for x
    x = 1,787,342,835.95/59,506.99
  6. Step 6: Final answer
    x = 30,035.85

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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.