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Finding the Fourth Proportional to 48,840.84, 73,207.44 and 31,953.56

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Solution

The fourth proportional to 48,840.84, 73,207.44 and 31,953.56 is: 47,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,840.84 : 73,207.44 = 31,953.56 : x
  2. Step 2: Convert to fraction form
    48,840.84/73,207.44 = 31,953.56/x
  3. Step 3: Cross multiply
    48,840.84x = 73,207.44 × 31,953.56
  4. Step 4: Simplify right side
    48,840.84x = 2,339,237,960.45
  5. Step 5: Solve for x
    x = 2,339,237,960.45/48,840.84
  6. Step 6: Final answer
    x = 47,895.12

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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.