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Finding the Fourth Proportional to 12,604.01, 17,392.85 and 6,937.65

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Solution

The fourth proportional to 12,604.01, 17,392.85 and 6,937.65 is: 9,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.01 : 17,392.85 = 6,937.65 : x
  2. Step 2: Convert to fraction form
    12,604.01/17,392.85 = 6,937.65/x
  3. Step 3: Cross multiply
    12,604.01x = 17,392.85 × 6,937.65
  4. Step 4: Simplify right side
    12,604.01x = 120,665,497.13
  5. Step 5: Solve for x
    x = 120,665,497.13/12,604.01
  6. Step 6: Final answer
    x = 9,573.58

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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.