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Finding the Fourth Proportional to 10,898.97, 16,349.99 and 3,500.95

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Solution

The fourth proportional to 10,898.97, 16,349.99 and 3,500.95 is: 5,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.97 : 16,349.99 = 3,500.95 : x
  2. Step 2: Convert to fraction form
    10,898.97/16,349.99 = 3,500.95/x
  3. Step 3: Cross multiply
    10,898.97x = 16,349.99 × 3,500.95
  4. Step 4: Simplify right side
    10,898.97x = 57,240,438.55
  5. Step 5: Solve for x
    x = 57,240,438.55/10,898.97
  6. Step 6: Final answer
    x = 5,251.91

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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.