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Finding the Fourth Proportional to 6,779.08, 9,356.94 and 6,366.04

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Solution

The fourth proportional to 6,779.08, 9,356.94 and 6,366.04 is: 8,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.08 : 9,356.94 = 6,366.04 : x
  2. Step 2: Convert to fraction form
    6,779.08/9,356.94 = 6,366.04/x
  3. Step 3: Cross multiply
    6,779.08x = 9,356.94 × 6,366.04
  4. Step 4: Simplify right side
    6,779.08x = 59,566,654.32
  5. Step 5: Solve for x
    x = 59,566,654.32/6,779.08
  6. Step 6: Final answer
    x = 8,786.83

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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.