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Finding the Fourth Proportional to 59,482.42, 89,231.90 and 20,050.82

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Solution

The fourth proportional to 59,482.42, 89,231.90 and 20,050.82 is: 30,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,482.42 : 89,231.90 = 20,050.82 : x
  2. Step 2: Convert to fraction form
    59,482.42/89,231.90 = 20,050.82/x
  3. Step 3: Cross multiply
    59,482.42x = 89,231.90 × 20,050.82
  4. Step 4: Simplify right side
    59,482.42x = 1,789,172,765.16
  5. Step 5: Solve for x
    x = 1,789,172,765.16/59,482.42
  6. Step 6: Final answer
    x = 30,079.02

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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.