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Finding the Fourth Proportional to 18,710.01, 28,066.25 and 6,229.53

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Solution

The fourth proportional to 18,710.01, 28,066.25 and 6,229.53 is: 9,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.01 : 28,066.25 = 6,229.53 : x
  2. Step 2: Convert to fraction form
    18,710.01/28,066.25 = 6,229.53/x
  3. Step 3: Cross multiply
    18,710.01x = 28,066.25 × 6,229.53
  4. Step 4: Simplify right side
    18,710.01x = 174,839,546.36
  5. Step 5: Solve for x
    x = 174,839,546.36/18,710.01
  6. Step 6: Final answer
    x = 9,344.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.