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Finding the Fourth Proportional to 8,828.14, 13,232.98 and 6,484.66

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Solution

The fourth proportional to 8,828.14, 13,232.98 and 6,484.66 is: 9,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.14 : 13,232.98 = 6,484.66 : x
  2. Step 2: Convert to fraction form
    8,828.14/13,232.98 = 6,484.66/x
  3. Step 3: Cross multiply
    8,828.14x = 13,232.98 × 6,484.66
  4. Step 4: Simplify right side
    8,828.14x = 85,811,376.09
  5. Step 5: Solve for x
    x = 85,811,376.09/8,828.14
  6. Step 6: Final answer
    x = 9,720.21

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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.