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Finding the Fourth Proportional to 74,277.75, 111,421.49 and 32,724.75

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Solution

The fourth proportional to 74,277.75, 111,421.49 and 32,724.75 is: 49,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,277.75 : 111,421.49 = 32,724.75 : x
  2. Step 2: Convert to fraction form
    74,277.75/111,421.49 = 32,724.75/x
  3. Step 3: Cross multiply
    74,277.75x = 111,421.49 × 32,724.75
  4. Step 4: Simplify right side
    74,277.75x = 3,646,240,241.25
  5. Step 5: Solve for x
    x = 3,646,240,241.25/74,277.75
  6. Step 6: Final answer
    x = 49,089.27

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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.