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Finding the Fourth Proportional to 65,750.65, 90,664.54 and 41,846.74

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Solution

The fourth proportional to 65,750.65, 90,664.54 and 41,846.74 is: 57,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.65 : 90,664.54 = 41,846.74 : x
  2. Step 2: Convert to fraction form
    65,750.65/90,664.54 = 41,846.74/x
  3. Step 3: Cross multiply
    65,750.65x = 90,664.54 × 41,846.74
  4. Step 4: Simplify right side
    65,750.65x = 3,794,015,432.60
  5. Step 5: Solve for x
    x = 3,794,015,432.60/65,750.65
  6. Step 6: Final answer
    x = 57,703.09

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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.