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Finding the Fourth Proportional to 9,255.88, 12,773.46 and 5,276.89

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Solution

The fourth proportional to 9,255.88, 12,773.46 and 5,276.89 is: 7,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.88 : 12,773.46 = 5,276.89 : x
  2. Step 2: Convert to fraction form
    9,255.88/12,773.46 = 5,276.89/x
  3. Step 3: Cross multiply
    9,255.88x = 12,773.46 × 5,276.89
  4. Step 4: Simplify right side
    9,255.88x = 67,404,143.34
  5. Step 5: Solve for x
    x = 67,404,143.34/9,255.88
  6. Step 6: Final answer
    x = 7,282.31

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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.