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Finding the Fourth Proportional to 65,064.63, 89,779.26 and 36,759.99

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Solution

The fourth proportional to 65,064.63, 89,779.26 and 36,759.99 is: 50,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,064.63 : 89,779.26 = 36,759.99 : x
  2. Step 2: Convert to fraction form
    65,064.63/89,779.26 = 36,759.99/x
  3. Step 3: Cross multiply
    65,064.63x = 89,779.26 × 36,759.99
  4. Step 4: Simplify right side
    65,064.63x = 3,300,284,699.81
  5. Step 5: Solve for x
    x = 3,300,284,699.81/65,064.63
  6. Step 6: Final answer
    x = 50,723.18

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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.