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Finding the Fourth Proportional to 7,068.80, 10,603.20 and 4,608.43

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Solution

The fourth proportional to 7,068.80, 10,603.20 and 4,608.43 is: 6,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.80 : 10,603.20 = 4,608.43 : x
  2. Step 2: Convert to fraction form
    7,068.80/10,603.20 = 4,608.43/x
  3. Step 3: Cross multiply
    7,068.80x = 10,603.20 × 4,608.43
  4. Step 4: Simplify right side
    7,068.80x = 48,864,104.98
  5. Step 5: Solve for x
    x = 48,864,104.98/7,068.80
  6. Step 6: Final answer
    x = 6,912.65

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Similar ratio
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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.