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Finding the Fourth Proportional to 70,067.67, 96,668.13 and 53,939.91

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Solution

The fourth proportional to 70,067.67, 96,668.13 and 53,939.91 is: 74,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.67 : 96,668.13 = 53,939.91 : x
  2. Step 2: Convert to fraction form
    70,067.67/96,668.13 = 53,939.91/x
  3. Step 3: Cross multiply
    70,067.67x = 96,668.13 × 53,939.91
  4. Step 4: Simplify right side
    70,067.67x = 5,214,270,232.07
  5. Step 5: Solve for x
    x = 5,214,270,232.07/70,067.67
  6. Step 6: Final answer
    x = 74,417.63

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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.