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Finding the Fourth Proportional to 6,566.80, 9,850.80 and 2,670.40

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Solution

The fourth proportional to 6,566.80, 9,850.80 and 2,670.40 is: 4,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.80 : 9,850.80 = 2,670.40 : x
  2. Step 2: Convert to fraction form
    6,566.80/9,850.80 = 2,670.40/x
  3. Step 3: Cross multiply
    6,566.80x = 9,850.80 × 2,670.40
  4. Step 4: Simplify right side
    6,566.80x = 26,305,576.32
  5. Step 5: Solve for x
    x = 26,305,576.32/6,566.80
  6. Step 6: Final answer
    x = 4,005.84

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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.