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Finding the Fourth Proportional to 6,282.66, 8,672.40 and 5,394.90

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Solution

The fourth proportional to 6,282.66, 8,672.40 and 5,394.90 is: 7,446.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.66 : 8,672.40 = 5,394.90 : x
  2. Step 2: Convert to fraction form
    6,282.66/8,672.40 = 5,394.90/x
  3. Step 3: Cross multiply
    6,282.66x = 8,672.40 × 5,394.90
  4. Step 4: Simplify right side
    6,282.66x = 46,786,730.76
  5. Step 5: Solve for x
    x = 46,786,730.76/6,282.66
  6. Step 6: Final answer
    x = 7,446.96

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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.