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Finding the Fourth Proportional to 64,419.44, 88,898.95 and 35,739.09

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Solution

The fourth proportional to 64,419.44, 88,898.95 and 35,739.09 is: 49,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,419.44 : 88,898.95 = 35,739.09 : x
  2. Step 2: Convert to fraction form
    64,419.44/88,898.95 = 35,739.09/x
  3. Step 3: Cross multiply
    64,419.44x = 88,898.95 × 35,739.09
  4. Step 4: Simplify right side
    64,419.44x = 3,177,167,619.63
  5. Step 5: Solve for x
    x = 3,177,167,619.63/64,419.44
  6. Step 6: Final answer
    x = 49,320.02

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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.