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Finding the Fourth Proportional to 64,074.25, 88,422.09 and 35,779.96

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Solution

The fourth proportional to 64,074.25, 88,422.09 and 35,779.96 is: 49,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.25 : 88,422.09 = 35,779.96 : x
  2. Step 2: Convert to fraction form
    64,074.25/88,422.09 = 35,779.96/x
  3. Step 3: Cross multiply
    64,074.25x = 88,422.09 × 35,779.96
  4. Step 4: Simplify right side
    64,074.25x = 3,163,738,843.32
  5. Step 5: Solve for x
    x = 3,163,738,843.32/64,074.25
  6. Step 6: Final answer
    x = 49,376.14

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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.