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Finding the Fourth Proportional to 69,879.53, 96,433.99 and 38,048.63

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Solution

The fourth proportional to 69,879.53, 96,433.99 and 38,048.63 is: 52,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879.53 : 96,433.99 = 38,048.63 : x
  2. Step 2: Convert to fraction form
    69,879.53/96,433.99 = 38,048.63/x
  3. Step 3: Cross multiply
    69,879.53x = 96,433.99 × 38,048.63
  4. Step 4: Simplify right side
    69,879.53x = 3,669,180,627.64
  5. Step 5: Solve for x
    x = 3,669,180,627.64/69,879.53
  6. Step 6: Final answer
    x = 52,507.23

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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.