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Finding the Fourth Proportional to 7,701.57, 11,552.34 and 3,084.57

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Solution

The fourth proportional to 7,701.57, 11,552.34 and 3,084.57 is: 4,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.57 : 11,552.34 = 3,084.57 : x
  2. Step 2: Convert to fraction form
    7,701.57/11,552.34 = 3,084.57/x
  3. Step 3: Cross multiply
    7,701.57x = 11,552.34 × 3,084.57
  4. Step 4: Simplify right side
    7,701.57x = 35,634,001.39
  5. Step 5: Solve for x
    x = 35,634,001.39/7,701.57
  6. Step 6: Final answer
    x = 4,626.85

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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.