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Finding the Fourth Proportional to 8,975.88, 13,470.03 and 3,715.65

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Solution

The fourth proportional to 8,975.88, 13,470.03 and 3,715.65 is: 5,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.88 : 13,470.03 = 3,715.65 : x
  2. Step 2: Convert to fraction form
    8,975.88/13,470.03 = 3,715.65/x
  3. Step 3: Cross multiply
    8,975.88x = 13,470.03 × 3,715.65
  4. Step 4: Simplify right side
    8,975.88x = 50,049,916.97
  5. Step 5: Solve for x
    x = 50,049,916.97/8,975.88
  6. Step 6: Final answer
    x = 5,576.05

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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.