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Finding the Fourth Proportional to 37,771.54, 56,664.03 and 15,572.81

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Solution

The fourth proportional to 37,771.54, 56,664.03 and 15,572.81 is: 23,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.54 : 56,664.03 = 15,572.81 : x
  2. Step 2: Convert to fraction form
    37,771.54/56,664.03 = 15,572.81/x
  3. Step 3: Cross multiply
    37,771.54x = 56,664.03 × 15,572.81
  4. Step 4: Simplify right side
    37,771.54x = 882,418,010.55
  5. Step 5: Solve for x
    x = 882,418,010.55/37,771.54
  6. Step 6: Final answer
    x = 23,361.98

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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.