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Finding the Fourth Proportional to 59,708.53, 89,564.01 and 20,265.58

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Solution

The fourth proportional to 59,708.53, 89,564.01 and 20,265.58 is: 30,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,708.53 : 89,564.01 = 20,265.58 : x
  2. Step 2: Convert to fraction form
    59,708.53/89,564.01 = 20,265.58/x
  3. Step 3: Cross multiply
    59,708.53x = 89,564.01 × 20,265.58
  4. Step 4: Simplify right side
    59,708.53x = 1,815,066,609.78
  5. Step 5: Solve for x
    x = 1,815,066,609.78/59,708.53
  6. Step 6: Final answer
    x = 30,398.78

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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.