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Finding the Fourth Proportional to 59,867.34, 89,807.96 and 19,889.89

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Solution

The fourth proportional to 59,867.34, 89,807.96 and 19,889.89 is: 29,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,867.34 : 89,807.96 = 19,889.89 : x
  2. Step 2: Convert to fraction form
    59,867.34/89,807.96 = 19,889.89/x
  3. Step 3: Cross multiply
    59,867.34x = 89,807.96 × 19,889.89
  4. Step 4: Simplify right side
    59,867.34x = 1,786,270,121.56
  5. Step 5: Solve for x
    x = 1,786,270,121.56/59,867.34
  6. Step 6: Final answer
    x = 29,837.14

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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.