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Finding the Fourth Proportional to 59,659.25, 89,489.42 and 18,106.25

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Solution

The fourth proportional to 59,659.25, 89,489.42 and 18,106.25 is: 27,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,659.25 : 89,489.42 = 18,106.25 : x
  2. Step 2: Convert to fraction form
    59,659.25/89,489.42 = 18,106.25/x
  3. Step 3: Cross multiply
    59,659.25x = 89,489.42 × 18,106.25
  4. Step 4: Simplify right side
    59,659.25x = 1,620,317,720.34
  5. Step 5: Solve for x
    x = 1,620,317,720.34/59,659.25
  6. Step 6: Final answer
    x = 27,159.54

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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.