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Finding the Fourth Proportional to 37,368.49, 51,568.49 and 20,372.73

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Solution

The fourth proportional to 37,368.49, 51,568.49 and 20,372.73 is: 28,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,368.49 : 51,568.49 = 20,372.73 : x
  2. Step 2: Convert to fraction form
    37,368.49/51,568.49 = 20,372.73/x
  3. Step 3: Cross multiply
    37,368.49x = 51,568.49 × 20,372.73
  4. Step 4: Simplify right side
    37,368.49x = 1,050,590,966.77
  5. Step 5: Solve for x
    x = 1,050,590,966.77/37,368.49
  6. Step 6: Final answer
    x = 28,114.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.