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Finding the Fourth Proportional to 7,045.41, 9,723.11 and 4,061.44

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Solution

The fourth proportional to 7,045.41, 9,723.11 and 4,061.44 is: 5,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.41 : 9,723.11 = 4,061.44 : x
  2. Step 2: Convert to fraction form
    7,045.41/9,723.11 = 4,061.44/x
  3. Step 3: Cross multiply
    7,045.41x = 9,723.11 × 4,061.44
  4. Step 4: Simplify right side
    7,045.41x = 39,489,853.99
  5. Step 5: Solve for x
    x = 39,489,853.99/7,045.41
  6. Step 6: Final answer
    x = 5,605.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.