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Finding the Fourth Proportional to 7,010.63, 10,508.43 and 3,493.70

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Solution

The fourth proportional to 7,010.63, 10,508.43 and 3,493.70 is: 5,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.63 : 10,508.43 = 3,493.70 : x
  2. Step 2: Convert to fraction form
    7,010.63/10,508.43 = 3,493.70/x
  3. Step 3: Cross multiply
    7,010.63x = 10,508.43 × 3,493.70
  4. Step 4: Simplify right side
    7,010.63x = 36,713,249.35
  5. Step 5: Solve for x
    x = 36,713,249.35/7,010.63
  6. Step 6: Final answer
    x = 5,236.80

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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.