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Finding the Fourth Proportional to 59,399.40, 89,071.20 and 34,446.54

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Solution

The fourth proportional to 59,399.40, 89,071.20 and 34,446.54 is: 51,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,399.40 : 89,071.20 = 34,446.54 : x
  2. Step 2: Convert to fraction form
    59,399.40/89,071.20 = 34,446.54/x
  3. Step 3: Cross multiply
    59,399.40x = 89,071.20 × 34,446.54
  4. Step 4: Simplify right side
    59,399.40x = 3,068,194,653.65
  5. Step 5: Solve for x
    x = 3,068,194,653.65/59,399.40
  6. Step 6: Final answer
    x = 51,653.63

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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.