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Finding the Fourth Proportional to 75,847.68, 113,792.48 and 33,156.83

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Solution

The fourth proportional to 75,847.68, 113,792.48 and 33,156.83 is: 49,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,847.68 : 113,792.48 = 33,156.83 : x
  2. Step 2: Convert to fraction form
    75,847.68/113,792.48 = 33,156.83/x
  3. Step 3: Cross multiply
    75,847.68x = 113,792.48 × 33,156.83
  4. Step 4: Simplify right side
    75,847.68x = 3,772,997,914.64
  5. Step 5: Solve for x
    x = 3,772,997,914.64/75,847.68
  6. Step 6: Final answer
    x = 49,744.41

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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.