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Finding the Fourth Proportional to 74,596.68, 111,871.80 and 24,665.58

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Solution

The fourth proportional to 74,596.68, 111,871.80 and 24,665.58 is: 36,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,596.68 : 111,871.80 = 24,665.58 : x
  2. Step 2: Convert to fraction form
    74,596.68/111,871.80 = 24,665.58/x
  3. Step 3: Cross multiply
    74,596.68x = 111,871.80 × 24,665.58
  4. Step 4: Simplify right side
    74,596.68x = 2,759,382,832.64
  5. Step 5: Solve for x
    x = 2,759,382,832.64/74,596.68
  6. Step 6: Final answer
    x = 36,990.69

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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.