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Finding the Fourth Proportional to 59,705.67, 89,569.44 and 20,260.70

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Solution

The fourth proportional to 59,705.67, 89,569.44 and 20,260.70 is: 30,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,705.67 : 89,569.44 = 20,260.70 : x
  2. Step 2: Convert to fraction form
    59,705.67/89,569.44 = 20,260.70/x
  3. Step 3: Cross multiply
    59,705.67x = 89,569.44 × 20,260.70
  4. Step 4: Simplify right side
    59,705.67x = 1,814,739,105.16
  5. Step 5: Solve for x
    x = 1,814,739,105.16/59,705.67
  6. Step 6: Final answer
    x = 30,394.75

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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.