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Finding the Fourth Proportional to 37,141.87, 51,252.73 and 20,374.87

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Solution

The fourth proportional to 37,141.87, 51,252.73 and 20,374.87 is: 28,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.87 : 51,252.73 = 20,374.87 : x
  2. Step 2: Convert to fraction form
    37,141.87/51,252.73 = 20,374.87/x
  3. Step 3: Cross multiply
    37,141.87x = 51,252.73 × 20,374.87
  4. Step 4: Simplify right side
    37,141.87x = 1,044,267,710.90
  5. Step 5: Solve for x
    x = 1,044,267,710.90/37,141.87
  6. Step 6: Final answer
    x = 28,115.65

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1.5x scale

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.