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Finding the Fourth Proportional to 16,826.57, 25,228.91 and 6,955.91

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Solution

The fourth proportional to 16,826.57, 25,228.91 and 6,955.91 is: 10,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.57 : 25,228.91 = 6,955.91 : x
  2. Step 2: Convert to fraction form
    16,826.57/25,228.91 = 6,955.91/x
  3. Step 3: Cross multiply
    16,826.57x = 25,228.91 × 6,955.91
  4. Step 4: Simplify right side
    16,826.57x = 175,490,027.36
  5. Step 5: Solve for x
    x = 175,490,027.36/16,826.57
  6. Step 6: Final answer
    x = 10,429.34

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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.