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Finding the Fourth Proportional to 69,954.86, 96,526.68 and 39,321.92

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Solution

The fourth proportional to 69,954.86, 96,526.68 and 39,321.92 is: 54,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,954.86 : 96,526.68 = 39,321.92 : x
  2. Step 2: Convert to fraction form
    69,954.86/96,526.68 = 39,321.92/x
  3. Step 3: Cross multiply
    69,954.86x = 96,526.68 × 39,321.92
  4. Step 4: Simplify right side
    69,954.86x = 3,795,614,388.83
  5. Step 5: Solve for x
    x = 3,795,614,388.83/69,954.86
  6. Step 6: Final answer
    x = 54,258.05

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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.