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Finding the Fourth Proportional to 37,192.78, 55,789.18 and 9,490.78

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Solution

The fourth proportional to 37,192.78, 55,789.18 and 9,490.78 is: 14,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,192.78 : 55,789.18 = 9,490.78 : x
  2. Step 2: Convert to fraction form
    37,192.78/55,789.18 = 9,490.78/x
  3. Step 3: Cross multiply
    37,192.78x = 55,789.18 × 9,490.78
  4. Step 4: Simplify right side
    37,192.78x = 529,482,879.77
  5. Step 5: Solve for x
    x = 529,482,879.77/37,192.78
  6. Step 6: Final answer
    x = 14,236.17

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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.