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Finding the Fourth Proportional to 68,900.64, 95,066.64 and 39,092.64

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Solution

The fourth proportional to 68,900.64, 95,066.64 and 39,092.64 is: 53,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900.64 : 95,066.64 = 39,092.64 : x
  2. Step 2: Convert to fraction form
    68,900.64/95,066.64 = 39,092.64/x
  3. Step 3: Cross multiply
    68,900.64x = 95,066.64 × 39,092.64
  4. Step 4: Simplify right side
    68,900.64x = 3,716,405,933.53
  5. Step 5: Solve for x
    x = 3,716,405,933.53/68,900.64
  6. Step 6: Final answer
    x = 53,938.63

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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.