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Finding the Fourth Proportional to 35,969.80, 53,958.62 and 13,802

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Solution

The fourth proportional to 35,969.80, 53,958.62 and 13,802 is: 20,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,969.80 : 53,958.62 = 13,802 : x
  2. Step 2: Convert to fraction form
    35,969.80/53,958.62 = 13,802/x
  3. Step 3: Cross multiply
    35,969.80x = 53,958.62 × 13,802
  4. Step 4: Simplify right side
    35,969.80x = 744,736,873.24
  5. Step 5: Solve for x
    x = 744,736,873.24/35,969.80
  6. Step 6: Final answer
    x = 20,704.50

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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.