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Finding the Fourth Proportional to 35,544.50, 53,301.20 and 18,900.50

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Solution

The fourth proportional to 35,544.50, 53,301.20 and 18,900.50 is: 28,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,544.50 : 53,301.20 = 18,900.50 : x
  2. Step 2: Convert to fraction form
    35,544.50/53,301.20 = 18,900.50/x
  3. Step 3: Cross multiply
    35,544.50x = 53,301.20 × 18,900.50
  4. Step 4: Simplify right side
    35,544.50x = 1,007,419,330.60
  5. Step 5: Solve for x
    x = 1,007,419,330.60/35,544.50
  6. Step 6: Final answer
    x = 28,342.48

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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.