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Finding the Fourth Proportional to 40,150.94, 60,223.53 and 12,448.22

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Solution

The fourth proportional to 40,150.94, 60,223.53 and 12,448.22 is: 18,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.94 : 60,223.53 = 12,448.22 : x
  2. Step 2: Convert to fraction form
    40,150.94/60,223.53 = 12,448.22/x
  3. Step 3: Cross multiply
    40,150.94x = 60,223.53 × 12,448.22
  4. Step 4: Simplify right side
    40,150.94x = 749,675,750.62
  5. Step 5: Solve for x
    x = 749,675,750.62/40,150.94
  6. Step 6: Final answer
    x = 18,671.44

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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.