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Finding the Fourth Proportional to 6,193.70, 9,291.35 and 1,811.08

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Solution

The fourth proportional to 6,193.70, 9,291.35 and 1,811.08 is: 2,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,193.70 : 9,291.35 = 1,811.08 : x
  2. Step 2: Convert to fraction form
    6,193.70/9,291.35 = 1,811.08/x
  3. Step 3: Cross multiply
    6,193.70x = 9,291.35 × 1,811.08
  4. Step 4: Simplify right side
    6,193.70x = 16,827,378.16
  5. Step 5: Solve for x
    x = 16,827,378.16/6,193.70
  6. Step 6: Final answer
    x = 2,716.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.