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Finding the Fourth Proportional to 8,907.50, 13,363.42 and 2,751.50

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Solution

The fourth proportional to 8,907.50, 13,363.42 and 2,751.50 is: 4,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.50 : 13,363.42 = 2,751.50 : x
  2. Step 2: Convert to fraction form
    8,907.50/13,363.42 = 2,751.50/x
  3. Step 3: Cross multiply
    8,907.50x = 13,363.42 × 2,751.50
  4. Step 4: Simplify right side
    8,907.50x = 36,769,450.13
  5. Step 5: Solve for x
    x = 36,769,450.13/8,907.50
  6. Step 6: Final answer
    x = 4,127.92

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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.