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Finding the Fourth Proportional to 8,907.78, 13,362.10 and 2,333.97

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Solution

The fourth proportional to 8,907.78, 13,362.10 and 2,333.97 is: 3,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.78 : 13,362.10 = 2,333.97 : x
  2. Step 2: Convert to fraction form
    8,907.78/13,362.10 = 2,333.97/x
  3. Step 3: Cross multiply
    8,907.78x = 13,362.10 × 2,333.97
  4. Step 4: Simplify right side
    8,907.78x = 31,186,734.70
  5. Step 5: Solve for x
    x = 31,186,734.70/8,907.78
  6. Step 6: Final answer
    x = 3,501.07

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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.