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Finding the Fourth Proportional to 10,907.92, 16,362.10 and 3,116.92

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Solution

The fourth proportional to 10,907.92, 16,362.10 and 3,116.92 is: 4,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.92 : 16,362.10 = 3,116.92 : x
  2. Step 2: Convert to fraction form
    10,907.92/16,362.10 = 3,116.92/x
  3. Step 3: Cross multiply
    10,907.92x = 16,362.10 × 3,116.92
  4. Step 4: Simplify right side
    10,907.92x = 50,999,356.73
  5. Step 5: Solve for x
    x = 50,999,356.73/10,907.92
  6. Step 6: Final answer
    x = 4,675.44

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1.5x scale

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.