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Finding the Fourth Proportional to 65,559, 90,479.14 and 37,268.92

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Solution

The fourth proportional to 65,559, 90,479.14 and 37,268.92 is: 51,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,559 : 90,479.14 = 37,268.92 : x
  2. Step 2: Convert to fraction form
    65,559/90,479.14 = 37,268.92/x
  3. Step 3: Cross multiply
    65,559x = 90,479.14 × 37,268.92
  4. Step 4: Simplify right side
    65,559x = 3,372,059,830.33
  5. Step 5: Solve for x
    x = 3,372,059,830.33/65,559
  6. Step 6: Final answer
    x = 51,435.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.