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Finding the Fourth Proportional to 7,100.60, 10,653.19 and 4,640.22

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Solution

The fourth proportional to 7,100.60, 10,653.19 and 4,640.22 is: 6,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.60 : 10,653.19 = 4,640.22 : x
  2. Step 2: Convert to fraction form
    7,100.60/10,653.19 = 4,640.22/x
  3. Step 3: Cross multiply
    7,100.60x = 10,653.19 × 4,640.22
  4. Step 4: Simplify right side
    7,100.60x = 49,433,133.70
  5. Step 5: Solve for x
    x = 49,433,133.70/7,100.60
  6. Step 6: Final answer
    x = 6,961.83

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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.