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Finding the Fourth Proportional to 52,448.96, 78,673.50 and 40,039.44

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Solution

The fourth proportional to 52,448.96, 78,673.50 and 40,039.44 is: 60,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.96 : 78,673.50 = 40,039.44 : x
  2. Step 2: Convert to fraction form
    52,448.96/78,673.50 = 40,039.44/x
  3. Step 3: Cross multiply
    52,448.96x = 78,673.50 × 40,039.44
  4. Step 4: Simplify right side
    52,448.96x = 3,150,042,882.84
  5. Step 5: Solve for x
    x = 3,150,042,882.84/52,448.96
  6. Step 6: Final answer
    x = 60,059.21

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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.