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Finding the Fourth Proportional to 59,498.42, 89,247.93 and 20,055.87

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Solution

The fourth proportional to 59,498.42, 89,247.93 and 20,055.87 is: 30,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,498.42 : 89,247.93 = 20,055.87 : x
  2. Step 2: Convert to fraction form
    59,498.42/89,247.93 = 20,055.87/x
  3. Step 3: Cross multiply
    59,498.42x = 89,247.93 × 20,055.87
  4. Step 4: Simplify right side
    59,498.42x = 1,789,944,881.85
  5. Step 5: Solve for x
    x = 1,789,944,881.85/59,498.42
  6. Step 6: Final answer
    x = 30,083.91

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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.