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Finding the Fourth Proportional to 8,891.41, 13,337.79 and 3,047.98

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Solution

The fourth proportional to 8,891.41, 13,337.79 and 3,047.98 is: 4,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.41 : 13,337.79 = 3,047.98 : x
  2. Step 2: Convert to fraction form
    8,891.41/13,337.79 = 3,047.98/x
  3. Step 3: Cross multiply
    8,891.41x = 13,337.79 × 3,047.98
  4. Step 4: Simplify right side
    8,891.41x = 40,653,317.16
  5. Step 5: Solve for x
    x = 40,653,317.16/8,891.41
  6. Step 6: Final answer
    x = 4,572.20

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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.