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Finding the Fourth Proportional to 6,651, 9,170.46 and 5,820.12

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Solution

The fourth proportional to 6,651, 9,170.46 and 5,820.12 is: 8,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651 : 9,170.46 = 5,820.12 : x
  2. Step 2: Convert to fraction form
    6,651/9,170.46 = 5,820.12/x
  3. Step 3: Cross multiply
    6,651x = 9,170.46 × 5,820.12
  4. Step 4: Simplify right side
    6,651x = 53,373,177.66
  5. Step 5: Solve for x
    x = 53,373,177.66/6,651
  6. Step 6: Final answer
    x = 8,024.84

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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.