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Finding the Fourth Proportional to 64,752.72, 89,338.19 and 36,452.94

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Solution

The fourth proportional to 64,752.72, 89,338.19 and 36,452.94 is: 50,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,752.72 : 89,338.19 = 36,452.94 : x
  2. Step 2: Convert to fraction form
    64,752.72/89,338.19 = 36,452.94/x
  3. Step 3: Cross multiply
    64,752.72x = 89,338.19 × 36,452.94
  4. Step 4: Simplify right side
    64,752.72x = 3,256,639,367.54
  5. Step 5: Solve for x
    x = 3,256,639,367.54/64,752.72
  6. Step 6: Final answer
    x = 50,293.48

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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.