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Finding the Fourth Proportional to 6,266.72, 8,645.64 and 4,028.29

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Solution

The fourth proportional to 6,266.72, 8,645.64 and 4,028.29 is: 5,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.72 : 8,645.64 = 4,028.29 : x
  2. Step 2: Convert to fraction form
    6,266.72/8,645.64 = 4,028.29/x
  3. Step 3: Cross multiply
    6,266.72x = 8,645.64 × 4,028.29
  4. Step 4: Simplify right side
    6,266.72x = 34,827,145.16
  5. Step 5: Solve for x
    x = 34,827,145.16/6,266.72
  6. Step 6: Final answer
    x = 5,557.48

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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.