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Finding the Fourth Proportional to 7,000.62, 10,499.13 and 3,487.02

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Solution

The fourth proportional to 7,000.62, 10,499.13 and 3,487.02 is: 5,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.62 : 10,499.13 = 3,487.02 : x
  2. Step 2: Convert to fraction form
    7,000.62/10,499.13 = 3,487.02/x
  3. Step 3: Cross multiply
    7,000.62x = 10,499.13 × 3,487.02
  4. Step 4: Simplify right side
    7,000.62x = 36,610,676.29
  5. Step 5: Solve for x
    x = 36,610,676.29/7,000.62
  6. Step 6: Final answer
    x = 5,229.63

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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.