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Finding the Fourth Proportional to 7,084.76, 10,627.12 and 3,375.74

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Solution

The fourth proportional to 7,084.76, 10,627.12 and 3,375.74 is: 5,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.76 : 10,627.12 = 3,375.74 : x
  2. Step 2: Convert to fraction form
    7,084.76/10,627.12 = 3,375.74/x
  3. Step 3: Cross multiply
    7,084.76x = 10,627.12 × 3,375.74
  4. Step 4: Simplify right side
    7,084.76x = 35,874,394.07
  5. Step 5: Solve for x
    x = 35,874,394.07/7,084.76
  6. Step 6: Final answer
    x = 5,063.60

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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.