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Finding the Fourth Proportional to 8,017.76, 12,014.23 and 5,557.39

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Solution

The fourth proportional to 8,017.76, 12,014.23 and 5,557.39 is: 8,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.76 : 12,014.23 = 5,557.39 : x
  2. Step 2: Convert to fraction form
    8,017.76/12,014.23 = 5,557.39/x
  3. Step 3: Cross multiply
    8,017.76x = 12,014.23 × 5,557.39
  4. Step 4: Simplify right side
    8,017.76x = 66,767,761.66
  5. Step 5: Solve for x
    x = 66,767,761.66/8,017.76
  6. Step 6: Final answer
    x = 8,327.48

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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.