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Finding the Fourth Proportional to 7,035.97, 9,754.04 and 6,661.45

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Solution

The fourth proportional to 7,035.97, 9,754.04 and 6,661.45 is: 9,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.97 : 9,754.04 = 6,661.45 : x
  2. Step 2: Convert to fraction form
    7,035.97/9,754.04 = 6,661.45/x
  3. Step 3: Cross multiply
    7,035.97x = 9,754.04 × 6,661.45
  4. Step 4: Simplify right side
    7,035.97x = 64,975,967.68
  5. Step 5: Solve for x
    x = 64,975,967.68/7,035.97
  6. Step 6: Final answer
    x = 9,234.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.