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Finding the Fourth Proportional to 8,694.74, 11,998.53 and 4,968.50

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Solution

The fourth proportional to 8,694.74, 11,998.53 and 4,968.50 is: 6,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.74 : 11,998.53 = 4,968.50 : x
  2. Step 2: Convert to fraction form
    8,694.74/11,998.53 = 4,968.50/x
  3. Step 3: Cross multiply
    8,694.74x = 11,998.53 × 4,968.50
  4. Step 4: Simplify right side
    8,694.74x = 59,614,696.31
  5. Step 5: Solve for x
    x = 59,614,696.31/8,694.74
  6. Step 6: Final answer
    x = 6,856.41

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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.