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Finding the Fourth Proportional to 7,605.08, 10,493.74 and 4,247.78

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Solution

The fourth proportional to 7,605.08, 10,493.74 and 4,247.78 is: 5,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.08 : 10,493.74 = 4,247.78 : x
  2. Step 2: Convert to fraction form
    7,605.08/10,493.74 = 4,247.78/x
  3. Step 3: Cross multiply
    7,605.08x = 10,493.74 × 4,247.78
  4. Step 4: Simplify right side
    7,605.08x = 44,575,098.90
  5. Step 5: Solve for x
    x = 44,575,098.90/7,605.08
  6. Step 6: Final answer
    x = 5,861.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.