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Finding the Fourth Proportional to 59,889, 89,818.14 and 17,759.22

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Solution

The fourth proportional to 59,889, 89,818.14 and 17,759.22 is: 26,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889 : 89,818.14 = 17,759.22 : x
  2. Step 2: Convert to fraction form
    59,889/89,818.14 = 17,759.22/x
  3. Step 3: Cross multiply
    59,889x = 89,818.14 × 17,759.22
  4. Step 4: Simplify right side
    59,889x = 1,595,100,108.25
  5. Step 5: Solve for x
    x = 1,595,100,108.25/59,889
  6. Step 6: Final answer
    x = 26,634.28

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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.