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Finding the Fourth Proportional to 16,827, 25,223.40 and 6,971.64

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Solution

The fourth proportional to 16,827, 25,223.40 and 6,971.64 is: 10,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827 : 25,223.40 = 6,971.64 : x
  2. Step 2: Convert to fraction form
    16,827/25,223.40 = 6,971.64/x
  3. Step 3: Cross multiply
    16,827x = 25,223.40 × 6,971.64
  4. Step 4: Simplify right side
    16,827x = 175,848,464.38
  5. Step 5: Solve for x
    x = 175,848,464.38/16,827
  6. Step 6: Final answer
    x = 10,450.38

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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.