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Finding the Fourth Proportional to 62,347.01, 86,035.64 and 35,489.43

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Solution

The fourth proportional to 62,347.01, 86,035.64 and 35,489.43 is: 48,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,347.01 : 86,035.64 = 35,489.43 : x
  2. Step 2: Convert to fraction form
    62,347.01/86,035.64 = 35,489.43/x
  3. Step 3: Cross multiply
    62,347.01x = 86,035.64 × 35,489.43
  4. Step 4: Simplify right side
    62,347.01x = 3,053,355,645.84
  5. Step 5: Solve for x
    x = 3,053,355,645.84/62,347.01
  6. Step 6: Final answer
    x = 48,973.57

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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.