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Finding the Fourth Proportional to 18,907.62, 26,092.05 and 10,409.67

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Solution

The fourth proportional to 18,907.62, 26,092.05 and 10,409.67 is: 14,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.62 : 26,092.05 = 10,409.67 : x
  2. Step 2: Convert to fraction form
    18,907.62/26,092.05 = 10,409.67/x
  3. Step 3: Cross multiply
    18,907.62x = 26,092.05 × 10,409.67
  4. Step 4: Simplify right side
    18,907.62x = 271,609,630.12
  5. Step 5: Solve for x
    x = 271,609,630.12/18,907.62
  6. Step 6: Final answer
    x = 14,365.09

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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.