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Finding the Fourth Proportional to 16,964.29, 25,454.86 and 7,610.91

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Solution

The fourth proportional to 16,964.29, 25,454.86 and 7,610.91 is: 11,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.29 : 25,454.86 = 7,610.91 : x
  2. Step 2: Convert to fraction form
    16,964.29/25,454.86 = 7,610.91/x
  3. Step 3: Cross multiply
    16,964.29x = 25,454.86 × 7,610.91
  4. Step 4: Simplify right side
    16,964.29x = 193,734,712.16
  5. Step 5: Solve for x
    x = 193,734,712.16/16,964.29
  6. Step 6: Final answer
    x = 11,420.15

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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.