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Finding the Fourth Proportional to 58,375.65, 87,562.58 and 39,609.03

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Solution

The fourth proportional to 58,375.65, 87,562.58 and 39,609.03 is: 59,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,375.65 : 87,562.58 = 39,609.03 : x
  2. Step 2: Convert to fraction form
    58,375.65/87,562.58 = 39,609.03/x
  3. Step 3: Cross multiply
    58,375.65x = 87,562.58 × 39,609.03
  4. Step 4: Simplify right side
    58,375.65x = 3,468,268,660.05
  5. Step 5: Solve for x
    x = 3,468,268,660.05/58,375.65
  6. Step 6: Final answer
    x = 59,412.93

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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.