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Finding the Fourth Proportional to 6,900.89, 9,505.08 and 5,304.47

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Solution

The fourth proportional to 6,900.89, 9,505.08 and 5,304.47 is: 7,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.89 : 9,505.08 = 5,304.47 : x
  2. Step 2: Convert to fraction form
    6,900.89/9,505.08 = 5,304.47/x
  3. Step 3: Cross multiply
    6,900.89x = 9,505.08 × 5,304.47
  4. Step 4: Simplify right side
    6,900.89x = 50,419,364.18
  5. Step 5: Solve for x
    x = 50,419,364.18/6,900.89
  6. Step 6: Final answer
    x = 7,306.22

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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.