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Finding the Fourth Proportional to 58,841.34, 81,201.20 and 31,983.81

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Solution

The fourth proportional to 58,841.34, 81,201.20 and 31,983.81 is: 44,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,841.34 : 81,201.20 = 31,983.81 : x
  2. Step 2: Convert to fraction form
    58,841.34/81,201.20 = 31,983.81/x
  3. Step 3: Cross multiply
    58,841.34x = 81,201.20 × 31,983.81
  4. Step 4: Simplify right side
    58,841.34x = 2,597,123,592.65
  5. Step 5: Solve for x
    x = 2,597,123,592.65/58,841.34
  6. Step 6: Final answer
    x = 44,137.74

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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.