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Finding the Fourth Proportional to 59,480.88, 89,202.52 and 20,028.76

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Solution

The fourth proportional to 59,480.88, 89,202.52 and 20,028.76 is: 30,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,480.88 : 89,202.52 = 20,028.76 : x
  2. Step 2: Convert to fraction form
    59,480.88/89,202.52 = 20,028.76/x
  3. Step 3: Cross multiply
    59,480.88x = 89,202.52 × 20,028.76
  4. Step 4: Simplify right side
    59,480.88x = 1,786,615,864.48
  5. Step 5: Solve for x
    x = 1,786,615,864.48/59,480.88
  6. Step 6: Final answer
    x = 30,036.81

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1.5x scale

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.