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Finding the Fourth Proportional to 16,299.63, 22,503.42 and 15,294.42

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Solution

The fourth proportional to 16,299.63, 22,503.42 and 15,294.42 is: 21,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,299.63 : 22,503.42 = 15,294.42 : x
  2. Step 2: Convert to fraction form
    16,299.63/22,503.42 = 15,294.42/x
  3. Step 3: Cross multiply
    16,299.63x = 22,503.42 × 15,294.42
  4. Step 4: Simplify right side
    16,299.63x = 344,176,756.92
  5. Step 5: Solve for x
    x = 344,176,756.92/16,299.63
  6. Step 6: Final answer
    x = 21,115.62

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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.