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Finding the Fourth Proportional to 19,471.98, 29,217.18 and 10,107.02

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Solution

The fourth proportional to 19,471.98, 29,217.18 and 10,107.02 is: 15,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.98 : 29,217.18 = 10,107.02 : x
  2. Step 2: Convert to fraction form
    19,471.98/29,217.18 = 10,107.02/x
  3. Step 3: Cross multiply
    19,471.98x = 29,217.18 × 10,107.02
  4. Step 4: Simplify right side
    19,471.98x = 295,298,622.60
  5. Step 5: Solve for x
    x = 295,298,622.60/19,471.98
  6. Step 6: Final answer
    x = 15,165.31

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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.