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Finding the Fourth Proportional to 75,960.52, 104,824.90 and 41,968.90

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Solution

The fourth proportional to 75,960.52, 104,824.90 and 41,968.90 is: 57,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.52 : 104,824.90 = 41,968.90 : x
  2. Step 2: Convert to fraction form
    75,960.52/104,824.90 = 41,968.90/x
  3. Step 3: Cross multiply
    75,960.52x = 104,824.90 × 41,968.90
  4. Step 4: Simplify right side
    75,960.52x = 4,399,385,011.64
  5. Step 5: Solve for x
    x = 4,399,385,011.64/75,960.52
  6. Step 6: Final answer
    x = 57,916.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.