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Finding the Fourth Proportional to 6,143.45, 8,422.65 and 6,032.75

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Solution

The fourth proportional to 6,143.45, 8,422.65 and 6,032.75 is: 8,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.45 : 8,422.65 = 6,032.75 : x
  2. Step 2: Convert to fraction form
    6,143.45/8,422.65 = 6,032.75/x
  3. Step 3: Cross multiply
    6,143.45x = 8,422.65 × 6,032.75
  4. Step 4: Simplify right side
    6,143.45x = 50,811,699.67
  5. Step 5: Solve for x
    x = 50,811,699.67/6,143.45
  6. Step 6: Final answer
    x = 8,270.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.