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Finding the Fourth Proportional to 16,955.70, 25,435.02 and 4,475.64

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Solution

The fourth proportional to 16,955.70, 25,435.02 and 4,475.64 is: 6,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.70 : 25,435.02 = 4,475.64 : x
  2. Step 2: Convert to fraction form
    16,955.70/25,435.02 = 4,475.64/x
  3. Step 3: Cross multiply
    16,955.70x = 25,435.02 × 4,475.64
  4. Step 4: Simplify right side
    16,955.70x = 113,837,992.91
  5. Step 5: Solve for x
    x = 113,837,992.91/16,955.70
  6. Step 6: Final answer
    x = 6,713.85

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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.