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Finding the Fourth Proportional to 69,791.74, 96,313.36 and 37,960.72

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Solution

The fourth proportional to 69,791.74, 96,313.36 and 37,960.72 is: 52,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.74 : 96,313.36 = 37,960.72 : x
  2. Step 2: Convert to fraction form
    69,791.74/96,313.36 = 37,960.72/x
  3. Step 3: Cross multiply
    69,791.74x = 96,313.36 × 37,960.72
  4. Step 4: Simplify right side
    69,791.74x = 3,656,124,491.22
  5. Step 5: Solve for x
    x = 3,656,124,491.22/69,791.74
  6. Step 6: Final answer
    x = 52,386.21

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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.