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Finding the Fourth Proportional to 16,955.75, 25,429.05 and 7,092.98

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Solution

The fourth proportional to 16,955.75, 25,429.05 and 7,092.98 is: 10,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.75 : 25,429.05 = 7,092.98 : x
  2. Step 2: Convert to fraction form
    16,955.75/25,429.05 = 7,092.98/x
  3. Step 3: Cross multiply
    16,955.75x = 25,429.05 × 7,092.98
  4. Step 4: Simplify right side
    16,955.75x = 180,367,615.92
  5. Step 5: Solve for x
    x = 180,367,615.92/16,955.75
  6. Step 6: Final answer
    x = 10,637.55

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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.