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Finding the Fourth Proportional to 59,739.80, 89,658.30 and 57,795.80

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Solution

The fourth proportional to 59,739.80, 89,658.30 and 57,795.80 is: 86,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,739.80 : 89,658.30 = 57,795.80 : x
  2. Step 2: Convert to fraction form
    59,739.80/89,658.30 = 57,795.80/x
  3. Step 3: Cross multiply
    59,739.80x = 89,658.30 × 57,795.80
  4. Step 4: Simplify right side
    59,739.80x = 5,181,873,175.14
  5. Step 5: Solve for x
    x = 5,181,873,175.14/59,739.80
  6. Step 6: Final answer
    x = 86,740.72

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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.