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Finding the Fourth Proportional to 9,006.76, 13,523.96 and 8,028.76

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Solution

The fourth proportional to 9,006.76, 13,523.96 and 8,028.76 is: 12,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.76 : 13,523.96 = 8,028.76 : x
  2. Step 2: Convert to fraction form
    9,006.76/13,523.96 = 8,028.76/x
  3. Step 3: Cross multiply
    9,006.76x = 13,523.96 × 8,028.76
  4. Step 4: Simplify right side
    9,006.76x = 108,580,621.69
  5. Step 5: Solve for x
    x = 108,580,621.69/9,006.76
  6. Step 6: Final answer
    x = 12,055.46

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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.