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Finding the Fourth Proportional to 16,608.25, 22,907.64 and 9,888.67

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Solution

The fourth proportional to 16,608.25, 22,907.64 and 9,888.67 is: 13,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.25 : 22,907.64 = 9,888.67 : x
  2. Step 2: Convert to fraction form
    16,608.25/22,907.64 = 9,888.67/x
  3. Step 3: Cross multiply
    16,608.25x = 22,907.64 × 9,888.67
  4. Step 4: Simplify right side
    16,608.25x = 226,526,092.44
  5. Step 5: Solve for x
    x = 226,526,092.44/16,608.25
  6. Step 6: Final answer
    x = 13,639.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.