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Finding the Fourth Proportional to 16,937.40, 25,406.10 and 16,246.20

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Solution

The fourth proportional to 16,937.40, 25,406.10 and 16,246.20 is: 24,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.40 : 25,406.10 = 16,246.20 : x
  2. Step 2: Convert to fraction form
    16,937.40/25,406.10 = 16,246.20/x
  3. Step 3: Cross multiply
    16,937.40x = 25,406.10 × 16,246.20
  4. Step 4: Simplify right side
    16,937.40x = 412,752,581.82
  5. Step 5: Solve for x
    x = 412,752,581.82/16,937.40
  6. Step 6: Final answer
    x = 24,369.30

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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.