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Finding the Fourth Proportional to 65,266.44, 90,050.32 and 37,664.11

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Solution

The fourth proportional to 65,266.44, 90,050.32 and 37,664.11 is: 51,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,266.44 : 90,050.32 = 37,664.11 : x
  2. Step 2: Convert to fraction form
    65,266.44/90,050.32 = 37,664.11/x
  3. Step 3: Cross multiply
    65,266.44x = 90,050.32 × 37,664.11
  4. Step 4: Simplify right side
    65,266.44x = 3,391,664,932.89
  5. Step 5: Solve for x
    x = 3,391,664,932.89/65,266.44
  6. Step 6: Final answer
    x = 51,966.45

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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.