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Finding the Fourth Proportional to 8,526.72, 12,773.13 and 6,669.15

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Solution

The fourth proportional to 8,526.72, 12,773.13 and 6,669.15 is: 9,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.72 : 12,773.13 = 6,669.15 : x
  2. Step 2: Convert to fraction form
    8,526.72/12,773.13 = 6,669.15/x
  3. Step 3: Cross multiply
    8,526.72x = 12,773.13 × 6,669.15
  4. Step 4: Simplify right side
    8,526.72x = 85,185,919.94
  5. Step 5: Solve for x
    x = 85,185,919.94/8,526.72
  6. Step 6: Final answer
    x = 9,990.47

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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.