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Finding the Fourth Proportional to 69,674.75, 96,151.34 and 40,995.49

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Solution

The fourth proportional to 69,674.75, 96,151.34 and 40,995.49 is: 56,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,674.75 : 96,151.34 = 40,995.49 : x
  2. Step 2: Convert to fraction form
    69,674.75/96,151.34 = 40,995.49/x
  3. Step 3: Cross multiply
    69,674.75x = 96,151.34 × 40,995.49
  4. Step 4: Simplify right side
    69,674.75x = 3,941,771,297.46
  5. Step 5: Solve for x
    x = 3,941,771,297.46/69,674.75
  6. Step 6: Final answer
    x = 56,573.89

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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.