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Finding the Fourth Proportional to 9,384.75, 14,077.13 and 3,539.99

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Solution

The fourth proportional to 9,384.75, 14,077.13 and 3,539.99 is: 5,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.75 : 14,077.13 = 3,539.99 : x
  2. Step 2: Convert to fraction form
    9,384.75/14,077.13 = 3,539.99/x
  3. Step 3: Cross multiply
    9,384.75x = 14,077.13 × 3,539.99
  4. Step 4: Simplify right side
    9,384.75x = 49,832,916.92
  5. Step 5: Solve for x
    x = 49,832,916.92/9,384.75
  6. Step 6: Final answer
    x = 5,309.99

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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.