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Finding the Fourth Proportional to 74,494.84, 111,739.78 and 32,374.92

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Solution

The fourth proportional to 74,494.84, 111,739.78 and 32,374.92 is: 48,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.84 : 111,739.78 = 32,374.92 : x
  2. Step 2: Convert to fraction form
    74,494.84/111,739.78 = 32,374.92/x
  3. Step 3: Cross multiply
    74,494.84x = 111,739.78 × 32,374.92
  4. Step 4: Simplify right side
    74,494.84x = 3,617,566,438.32
  5. Step 5: Solve for x
    x = 3,617,566,438.32/74,494.84
  6. Step 6: Final answer
    x = 48,561.30

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1.5x scale

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.