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Finding the Fourth Proportional to 55,530.30, 83,131.83 and 35,750.10

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Solution

The fourth proportional to 55,530.30, 83,131.83 and 35,750.10 is: 53,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.30 : 83,131.83 = 35,750.10 : x
  2. Step 2: Convert to fraction form
    55,530.30/83,131.83 = 35,750.10/x
  3. Step 3: Cross multiply
    55,530.30x = 83,131.83 × 35,750.10
  4. Step 4: Simplify right side
    55,530.30x = 2,971,971,235.68
  5. Step 5: Solve for x
    x = 2,971,971,235.68/55,530.30
  6. Step 6: Final answer
    x = 53,519.81

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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.