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Finding the Fourth Proportional to 6,263.94, 8,642.79 and 3,746.85

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Solution

The fourth proportional to 6,263.94, 8,642.79 and 3,746.85 is: 5,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.94 : 8,642.79 = 3,746.85 : x
  2. Step 2: Convert to fraction form
    6,263.94/8,642.79 = 3,746.85/x
  3. Step 3: Cross multiply
    6,263.94x = 8,642.79 × 3,746.85
  4. Step 4: Simplify right side
    6,263.94x = 32,383,237.71
  5. Step 5: Solve for x
    x = 32,383,237.71/6,263.94
  6. Step 6: Final answer
    x = 5,169.79

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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.