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Finding the Fourth Proportional to 37,490.96, 56,201.88 and 19,018.64

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Solution

The fourth proportional to 37,490.96, 56,201.88 and 19,018.64 is: 28,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,490.96 : 56,201.88 = 19,018.64 : x
  2. Step 2: Convert to fraction form
    37,490.96/56,201.88 = 19,018.64/x
  3. Step 3: Cross multiply
    37,490.96x = 56,201.88 × 19,018.64
  4. Step 4: Simplify right side
    37,490.96x = 1,068,883,323.04
  5. Step 5: Solve for x
    x = 1,068,883,323.04/37,490.96
  6. Step 6: Final answer
    x = 28,510.43

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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.