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Finding the Fourth Proportional to 8,292.52, 11,449.19 and 6,374.94

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Solution

The fourth proportional to 8,292.52, 11,449.19 and 6,374.94 is: 8,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.52 : 11,449.19 = 6,374.94 : x
  2. Step 2: Convert to fraction form
    8,292.52/11,449.19 = 6,374.94/x
  3. Step 3: Cross multiply
    8,292.52x = 11,449.19 × 6,374.94
  4. Step 4: Simplify right side
    8,292.52x = 72,987,899.30
  5. Step 5: Solve for x
    x = 72,987,899.30/8,292.52
  6. Step 6: Final answer
    x = 8,801.65

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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.