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Finding the Fourth Proportional to 8,733.73, 13,159.44 and 7,207.90

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Solution

The fourth proportional to 8,733.73, 13,159.44 and 7,207.90 is: 10,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.73 : 13,159.44 = 7,207.90 : x
  2. Step 2: Convert to fraction form
    8,733.73/13,159.44 = 7,207.90/x
  3. Step 3: Cross multiply
    8,733.73x = 13,159.44 × 7,207.90
  4. Step 4: Simplify right side
    8,733.73x = 94,851,951.73
  5. Step 5: Solve for x
    x = 94,851,951.73/8,733.73
  6. Step 6: Final answer
    x = 10,860.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.