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Finding the Fourth Proportional to 69,729.88, 96,227.37 and 37,898.70

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Solution

The fourth proportional to 69,729.88, 96,227.37 and 37,898.70 is: 52,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,729.88 : 96,227.37 = 37,898.70 : x
  2. Step 2: Convert to fraction form
    69,729.88/96,227.37 = 37,898.70/x
  3. Step 3: Cross multiply
    69,729.88x = 96,227.37 × 37,898.70
  4. Step 4: Simplify right side
    69,729.88x = 3,646,892,301.26
  5. Step 5: Solve for x
    x = 3,646,892,301.26/69,729.88
  6. Step 6: Final answer
    x = 52,300.28

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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.