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Finding the Fourth Proportional to 6,651.95, 9,177.08 and 3,818.30

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Solution

The fourth proportional to 6,651.95, 9,177.08 and 3,818.30 is: 5,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.95 : 9,177.08 = 3,818.30 : x
  2. Step 2: Convert to fraction form
    6,651.95/9,177.08 = 3,818.30/x
  3. Step 3: Cross multiply
    6,651.95x = 9,177.08 × 3,818.30
  4. Step 4: Simplify right side
    6,651.95x = 35,040,779.59
  5. Step 5: Solve for x
    x = 35,040,779.59/6,651.95
  6. Step 6: Final answer
    x = 5,267.75

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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.