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Finding the Fourth Proportional to 70,033.55, 104,991.39 and 32,574.51

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Solution

The fourth proportional to 70,033.55, 104,991.39 and 32,574.51 is: 48,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.55 : 104,991.39 = 32,574.51 : x
  2. Step 2: Convert to fraction form
    70,033.55/104,991.39 = 32,574.51/x
  3. Step 3: Cross multiply
    70,033.55x = 104,991.39 × 32,574.51
  4. Step 4: Simplify right side
    70,033.55x = 3,420,043,083.47
  5. Step 5: Solve for x
    x = 3,420,043,083.47/70,033.55
  6. Step 6: Final answer
    x = 48,834.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.