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Finding the Fourth Proportional to 59,809.56, 89,769.93 and 30,248.61

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Solution

The fourth proportional to 59,809.56, 89,769.93 and 30,248.61 is: 45,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,809.56 : 89,769.93 = 30,248.61 : x
  2. Step 2: Convert to fraction form
    59,809.56/89,769.93 = 30,248.61/x
  3. Step 3: Cross multiply
    59,809.56x = 89,769.93 × 30,248.61
  4. Step 4: Simplify right side
    59,809.56x = 2,715,415,602.30
  5. Step 5: Solve for x
    x = 2,715,415,602.30/59,809.56
  6. Step 6: Final answer
    x = 45,401.03

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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.