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Finding the Fourth Proportional to 16,972.94, 25,451.18 and 9,955.25

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Solution

The fourth proportional to 16,972.94, 25,451.18 and 9,955.25 is: 14,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.94 : 25,451.18 = 9,955.25 : x
  2. Step 2: Convert to fraction form
    16,972.94/25,451.18 = 9,955.25/x
  3. Step 3: Cross multiply
    16,972.94x = 25,451.18 × 9,955.25
  4. Step 4: Simplify right side
    16,972.94x = 253,372,682.66
  5. Step 5: Solve for x
    x = 253,372,682.66/16,972.94
  6. Step 6: Final answer
    x = 14,928.04

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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.