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Finding the Fourth Proportional to 6,317.73, 8,718.71 and 3,523.77

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Solution

The fourth proportional to 6,317.73, 8,718.71 and 3,523.77 is: 4,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.73 : 8,718.71 = 3,523.77 : x
  2. Step 2: Convert to fraction form
    6,317.73/8,718.71 = 3,523.77/x
  3. Step 3: Cross multiply
    6,317.73x = 8,718.71 × 3,523.77
  4. Step 4: Simplify right side
    6,317.73x = 30,722,711.12
  5. Step 5: Solve for x
    x = 30,722,711.12/6,317.73
  6. Step 6: Final answer
    x = 4,862.94

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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.