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Finding the Fourth Proportional to 8,513.73, 11,744.82 and 6,622.02

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Solution

The fourth proportional to 8,513.73, 11,744.82 and 6,622.02 is: 9,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.73 : 11,744.82 = 6,622.02 : x
  2. Step 2: Convert to fraction form
    8,513.73/11,744.82 = 6,622.02/x
  3. Step 3: Cross multiply
    8,513.73x = 11,744.82 × 6,622.02
  4. Step 4: Simplify right side
    8,513.73x = 77,774,432.94
  5. Step 5: Solve for x
    x = 77,774,432.94/8,513.73
  6. Step 6: Final answer
    x = 9,135.18

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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.