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Finding the Fourth Proportional to 12,392.92, 17,094.67 and 7,353.78

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Solution

The fourth proportional to 12,392.92, 17,094.67 and 7,353.78 is: 10,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.92 : 17,094.67 = 7,353.78 : x
  2. Step 2: Convert to fraction form
    12,392.92/17,094.67 = 7,353.78/x
  3. Step 3: Cross multiply
    12,392.92x = 17,094.67 × 7,353.78
  4. Step 4: Simplify right side
    12,392.92x = 125,710,442.35
  5. Step 5: Solve for x
    x = 125,710,442.35/12,392.92
  6. Step 6: Final answer
    x = 10,143.73

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Double scale
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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.