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Finding the Fourth Proportional to 6,771.96, 9,357.08 and 5,590.96

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Solution

The fourth proportional to 6,771.96, 9,357.08 and 5,590.96 is: 7,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.96 : 9,357.08 = 5,590.96 : x
  2. Step 2: Convert to fraction form
    6,771.96/9,357.08 = 5,590.96/x
  3. Step 3: Cross multiply
    6,771.96x = 9,357.08 × 5,590.96
  4. Step 4: Simplify right side
    6,771.96x = 52,315,060.00
  5. Step 5: Solve for x
    x = 52,315,060.00/6,771.96
  6. Step 6: Final answer
    x = 7,725.25

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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.