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Finding the Fourth Proportional to 6,700.90, 9,247.25 and 3,716.77

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Solution

The fourth proportional to 6,700.90, 9,247.25 and 3,716.77 is: 5,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.90 : 9,247.25 = 3,716.77 : x
  2. Step 2: Convert to fraction form
    6,700.90/9,247.25 = 3,716.77/x
  3. Step 3: Cross multiply
    6,700.90x = 9,247.25 × 3,716.77
  4. Step 4: Simplify right side
    6,700.90x = 34,369,901.38
  5. Step 5: Solve for x
    x = 34,369,901.38/6,700.90
  6. Step 6: Final answer
    x = 5,129.15

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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.