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Finding the Fourth Proportional to 90,596.59, 125,024.94 and 49,760.44

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Solution

The fourth proportional to 90,596.59, 125,024.94 and 49,760.44 is: 68,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,596.59 : 125,024.94 = 49,760.44 : x
  2. Step 2: Convert to fraction form
    90,596.59/125,024.94 = 49,760.44/x
  3. Step 3: Cross multiply
    90,596.59x = 125,024.94 × 49,760.44
  4. Step 4: Simplify right side
    90,596.59x = 6,221,296,025.37
  5. Step 5: Solve for x
    x = 6,221,296,025.37/90,596.59
  6. Step 6: Final answer
    x = 68,670.31

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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.