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Finding the Fourth Proportional to 6,269.59, 8,649.74 and 3,751.77

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Solution

The fourth proportional to 6,269.59, 8,649.74 and 3,751.77 is: 5,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.59 : 8,649.74 = 3,751.77 : x
  2. Step 2: Convert to fraction form
    6,269.59/8,649.74 = 3,751.77/x
  3. Step 3: Cross multiply
    6,269.59x = 8,649.74 × 3,751.77
  4. Step 4: Simplify right side
    6,269.59x = 32,451,835.04
  5. Step 5: Solve for x
    x = 32,451,835.04/6,269.59
  6. Step 6: Final answer
    x = 5,176.07

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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.