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Finding the Fourth Proportional to 37,572.49, 56,379.47 and 20,941.89

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Solution

The fourth proportional to 37,572.49, 56,379.47 and 20,941.89 is: 31,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,572.49 : 56,379.47 = 20,941.89 : x
  2. Step 2: Convert to fraction form
    37,572.49/56,379.47 = 20,941.89/x
  3. Step 3: Cross multiply
    37,572.49x = 56,379.47 × 20,941.89
  4. Step 4: Simplify right side
    37,572.49x = 1,180,692,659.00
  5. Step 5: Solve for x
    x = 1,180,692,659.00/37,572.49
  6. Step 6: Final answer
    x = 31,424.39

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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.