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Finding the Fourth Proportional to 75,516.48, 113,362.24 and 40,524.48

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Solution

The fourth proportional to 75,516.48, 113,362.24 and 40,524.48 is: 60,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,516.48 : 113,362.24 = 40,524.48 : x
  2. Step 2: Convert to fraction form
    75,516.48/113,362.24 = 40,524.48/x
  3. Step 3: Cross multiply
    75,516.48x = 113,362.24 × 40,524.48
  4. Step 4: Simplify right side
    75,516.48x = 4,593,945,827.64
  5. Step 5: Solve for x
    x = 4,593,945,827.64/75,516.48
  6. Step 6: Final answer
    x = 60,833.69

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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.