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Finding the Fourth Proportional to 8,068.81, 11,133.75 and 4,531.34

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Solution

The fourth proportional to 8,068.81, 11,133.75 and 4,531.34 is: 6,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.81 : 11,133.75 = 4,531.34 : x
  2. Step 2: Convert to fraction form
    8,068.81/11,133.75 = 4,531.34/x
  3. Step 3: Cross multiply
    8,068.81x = 11,133.75 × 4,531.34
  4. Step 4: Simplify right side
    8,068.81x = 50,450,806.73
  5. Step 5: Solve for x
    x = 50,450,806.73/8,068.81
  6. Step 6: Final answer
    x = 6,252.57

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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.