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Finding the Fourth Proportional to 19,884.93, 29,800.94 and 10,522.95

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Solution

The fourth proportional to 19,884.93, 29,800.94 and 10,522.95 is: 15,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.93 : 29,800.94 = 10,522.95 : x
  2. Step 2: Convert to fraction form
    19,884.93/29,800.94 = 10,522.95/x
  3. Step 3: Cross multiply
    19,884.93x = 29,800.94 × 10,522.95
  4. Step 4: Simplify right side
    19,884.93x = 313,593,748.96
  5. Step 5: Solve for x
    x = 313,593,748.96/19,884.93
  6. Step 6: Final answer
    x = 15,770.42

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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.