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Finding the Fourth Proportional to 9,045.16, 13,573.09 and 5,045.91

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Solution

The fourth proportional to 9,045.16, 13,573.09 and 5,045.91 is: 7,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.16 : 13,573.09 = 5,045.91 : x
  2. Step 2: Convert to fraction form
    9,045.16/13,573.09 = 5,045.91/x
  3. Step 3: Cross multiply
    9,045.16x = 13,573.09 × 5,045.91
  4. Step 4: Simplify right side
    9,045.16x = 68,488,545.97
  5. Step 5: Solve for x
    x = 68,488,545.97/9,045.16
  6. Step 6: Final answer
    x = 7,571.85

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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.