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Finding the Fourth Proportional to 62,993.60, 94,512.84 and 31,400.72

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Solution

The fourth proportional to 62,993.60, 94,512.84 and 31,400.72 is: 47,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.60 : 94,512.84 = 31,400.72 : x
  2. Step 2: Convert to fraction form
    62,993.60/94,512.84 = 31,400.72/x
  3. Step 3: Cross multiply
    62,993.60x = 94,512.84 × 31,400.72
  4. Step 4: Simplify right side
    62,993.60x = 2,967,771,225.24
  5. Step 5: Solve for x
    x = 2,967,771,225.24/62,993.60
  6. Step 6: Final answer
    x = 47,112.27

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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.