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Finding the Fourth Proportional to 12,294.72, 16,966.08 and 6,704.64

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Solution

The fourth proportional to 12,294.72, 16,966.08 and 6,704.64 is: 9,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.72 : 16,966.08 = 6,704.64 : x
  2. Step 2: Convert to fraction form
    12,294.72/16,966.08 = 6,704.64/x
  3. Step 3: Cross multiply
    12,294.72x = 16,966.08 × 6,704.64
  4. Step 4: Simplify right side
    12,294.72x = 113,751,458.61
  5. Step 5: Solve for x
    x = 113,751,458.61/12,294.72
  6. Step 6: Final answer
    x = 9,252.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.