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Finding the Fourth Proportional to 69,652.25, 96,120.11 and 39,844.25

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Solution

The fourth proportional to 69,652.25, 96,120.11 and 39,844.25 is: 54,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,652.25 : 96,120.11 = 39,844.25 : x
  2. Step 2: Convert to fraction form
    69,652.25/96,120.11 = 39,844.25/x
  3. Step 3: Cross multiply
    69,652.25x = 96,120.11 × 39,844.25
  4. Step 4: Simplify right side
    69,652.25x = 3,829,833,493.65
  5. Step 5: Solve for x
    x = 3,829,833,493.65/69,652.25
  6. Step 6: Final answer
    x = 54,985.07

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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.