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Finding the Fourth Proportional to 50,640.96, 75,946.80 and 19,468.80

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Solution

The fourth proportional to 50,640.96, 75,946.80 and 19,468.80 is: 29,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.96 : 75,946.80 = 19,468.80 : x
  2. Step 2: Convert to fraction form
    50,640.96/75,946.80 = 19,468.80/x
  3. Step 3: Cross multiply
    50,640.96x = 75,946.80 × 19,468.80
  4. Step 4: Simplify right side
    50,640.96x = 1,478,593,059.84
  5. Step 5: Solve for x
    x = 1,478,593,059.84/50,640.96
  6. Step 6: Final answer
    x = 29,197.57

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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.