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Finding the Fourth Proportional to 69,616.69, 96,048.17 and 39,399.01

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Solution

The fourth proportional to 69,616.69, 96,048.17 and 39,399.01 is: 54,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.69 : 96,048.17 = 39,399.01 : x
  2. Step 2: Convert to fraction form
    69,616.69/96,048.17 = 39,399.01/x
  3. Step 3: Cross multiply
    69,616.69x = 96,048.17 × 39,399.01
  4. Step 4: Simplify right side
    69,616.69x = 3,784,202,613.32
  5. Step 5: Solve for x
    x = 3,784,202,613.32/69,616.69
  6. Step 6: Final answer
    x = 54,357.69

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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.