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Finding the Fourth Proportional to 12,063.60, 18,092.70 and 7,932.60

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Solution

The fourth proportional to 12,063.60, 18,092.70 and 7,932.60 is: 11,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.60 : 18,092.70 = 7,932.60 : x
  2. Step 2: Convert to fraction form
    12,063.60/18,092.70 = 7,932.60/x
  3. Step 3: Cross multiply
    12,063.60x = 18,092.70 × 7,932.60
  4. Step 4: Simplify right side
    12,063.60x = 143,522,152.02
  5. Step 5: Solve for x
    x = 143,522,152.02/12,063.60
  6. Step 6: Final answer
    x = 11,897.12

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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.