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Finding the Fourth Proportional to 4,685.06, 7,006.92 and 4,168.70

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Solution

The fourth proportional to 4,685.06, 7,006.92 and 4,168.70 is: 6,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.06 : 7,006.92 = 4,168.70 : x
  2. Step 2: Convert to fraction form
    4,685.06/7,006.92 = 4,168.70/x
  3. Step 3: Cross multiply
    4,685.06x = 7,006.92 × 4,168.70
  4. Step 4: Simplify right side
    4,685.06x = 29,209,747.40
  5. Step 5: Solve for x
    x = 29,209,747.40/4,685.06
  6. Step 6: Final answer
    x = 6,234.66

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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.