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Finding the Fourth Proportional to 37,978.46, 57,003.44 and 19,271.93

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Solution

The fourth proportional to 37,978.46, 57,003.44 and 19,271.93 is: 28,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978.46 : 57,003.44 = 19,271.93 : x
  2. Step 2: Convert to fraction form
    37,978.46/57,003.44 = 19,271.93/x
  3. Step 3: Cross multiply
    37,978.46x = 57,003.44 × 19,271.93
  4. Step 4: Simplify right side
    37,978.46x = 1,098,565,924.06
  5. Step 5: Solve for x
    x = 1,098,565,924.06/37,978.46
  6. Step 6: Final answer
    x = 28,926.03

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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.