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Finding the Fourth Proportional to 6,486.02, 9,723.42 and 5,505.24

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Solution

The fourth proportional to 6,486.02, 9,723.42 and 5,505.24 is: 8,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.02 : 9,723.42 = 5,505.24 : x
  2. Step 2: Convert to fraction form
    6,486.02/9,723.42 = 5,505.24/x
  3. Step 3: Cross multiply
    6,486.02x = 9,723.42 × 5,505.24
  4. Step 4: Simplify right side
    6,486.02x = 53,529,760.72
  5. Step 5: Solve for x
    x = 53,529,760.72/6,486.02
  6. Step 6: Final answer
    x = 8,253.10

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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.