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Finding the Fourth Proportional to 69,673.72, 96,179.14 and 47,043.33

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Solution

The fourth proportional to 69,673.72, 96,179.14 and 47,043.33 is: 64,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.72 : 96,179.14 = 47,043.33 : x
  2. Step 2: Convert to fraction form
    69,673.72/96,179.14 = 47,043.33/x
  3. Step 3: Cross multiply
    69,673.72x = 96,179.14 × 47,043.33
  4. Step 4: Simplify right side
    69,673.72x = 4,524,586,904.53
  5. Step 5: Solve for x
    x = 4,524,586,904.53/69,673.72
  6. Step 6: Final answer
    x = 64,939.65

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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.