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Finding the Fourth Proportional to 8,893.22, 13,340.19 and 3,345.98

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Solution

The fourth proportional to 8,893.22, 13,340.19 and 3,345.98 is: 5,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.22 : 13,340.19 = 3,345.98 : x
  2. Step 2: Convert to fraction form
    8,893.22/13,340.19 = 3,345.98/x
  3. Step 3: Cross multiply
    8,893.22x = 13,340.19 × 3,345.98
  4. Step 4: Simplify right side
    8,893.22x = 44,636,008.94
  5. Step 5: Solve for x
    x = 44,636,008.94/8,893.22
  6. Step 6: Final answer
    x = 5,019.11

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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.