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Finding the Fourth Proportional to 9,283.55, 12,794.55 and 6,761.66

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Solution

The fourth proportional to 9,283.55, 12,794.55 and 6,761.66 is: 9,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.55 : 12,794.55 = 6,761.66 : x
  2. Step 2: Convert to fraction form
    9,283.55/12,794.55 = 6,761.66/x
  3. Step 3: Cross multiply
    9,283.55x = 12,794.55 × 6,761.66
  4. Step 4: Simplify right side
    9,283.55x = 86,512,396.95
  5. Step 5: Solve for x
    x = 86,512,396.95/9,283.55
  6. Step 6: Final answer
    x = 9,318.89

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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.