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Finding the Fourth Proportional to 7,006.74, 10,508.85 and 3,495.57

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Solution

The fourth proportional to 7,006.74, 10,508.85 and 3,495.57 is: 5,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.74 : 10,508.85 = 3,495.57 : x
  2. Step 2: Convert to fraction form
    7,006.74/10,508.85 = 3,495.57/x
  3. Step 3: Cross multiply
    7,006.74x = 10,508.85 × 3,495.57
  4. Step 4: Simplify right side
    7,006.74x = 36,734,420.79
  5. Step 5: Solve for x
    x = 36,734,420.79/7,006.74
  6. Step 6: Final answer
    x = 5,242.73

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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.