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Finding the Fourth Proportional to 8,761.68, 13,146.03 and 3,566.34

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Solution

The fourth proportional to 8,761.68, 13,146.03 and 3,566.34 is: 5,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.68 : 13,146.03 = 3,566.34 : x
  2. Step 2: Convert to fraction form
    8,761.68/13,146.03 = 3,566.34/x
  3. Step 3: Cross multiply
    8,761.68x = 13,146.03 × 3,566.34
  4. Step 4: Simplify right side
    8,761.68x = 46,883,212.63
  5. Step 5: Solve for x
    x = 46,883,212.63/8,761.68
  6. Step 6: Final answer
    x = 5,350.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.