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Finding the Fourth Proportional to 69,860.92, 96,393.12 and 41,561.08

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Solution

The fourth proportional to 69,860.92, 96,393.12 and 41,561.08 is: 57,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.92 : 96,393.12 = 41,561.08 : x
  2. Step 2: Convert to fraction form
    69,860.92/96,393.12 = 41,561.08/x
  3. Step 3: Cross multiply
    69,860.92x = 96,393.12 × 41,561.08
  4. Step 4: Simplify right side
    69,860.92x = 4,006,202,171.77
  5. Step 5: Solve for x
    x = 4,006,202,171.77/69,860.92
  6. Step 6: Final answer
    x = 57,345.40

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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.