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Finding the Fourth Proportional to 6,291.93, 8,682.96 and 3,459.42

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Solution

The fourth proportional to 6,291.93, 8,682.96 and 3,459.42 is: 4,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.93 : 8,682.96 = 3,459.42 : x
  2. Step 2: Convert to fraction form
    6,291.93/8,682.96 = 3,459.42/x
  3. Step 3: Cross multiply
    6,291.93x = 8,682.96 × 3,459.42
  4. Step 4: Simplify right side
    6,291.93x = 30,038,031.56
  5. Step 5: Solve for x
    x = 30,038,031.56/6,291.93
  6. Step 6: Final answer
    x = 4,774.06

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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.