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Finding the Fourth Proportional to 69,680.68, 96,158.90 and 37,849.30

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Solution

The fourth proportional to 69,680.68, 96,158.90 and 37,849.30 is: 52,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,680.68 : 96,158.90 = 37,849.30 : x
  2. Step 2: Convert to fraction form
    69,680.68/96,158.90 = 37,849.30/x
  3. Step 3: Cross multiply
    69,680.68x = 96,158.90 × 37,849.30
  4. Step 4: Simplify right side
    69,680.68x = 3,639,546,908.00
  5. Step 5: Solve for x
    x = 3,639,546,908.00/69,680.68
  6. Step 6: Final answer
    x = 52,231.80

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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.