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Finding the Fourth Proportional to 35,794.99, 53,671.21 and 13,609.99

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Solution

The fourth proportional to 35,794.99, 53,671.21 and 13,609.99 is: 20,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.99 : 53,671.21 = 13,609.99 : x
  2. Step 2: Convert to fraction form
    35,794.99/53,671.21 = 13,609.99/x
  3. Step 3: Cross multiply
    35,794.99x = 53,671.21 × 13,609.99
  4. Step 4: Simplify right side
    35,794.99x = 730,464,631.39
  5. Step 5: Solve for x
    x = 730,464,631.39/35,794.99
  6. Step 6: Final answer
    x = 20,406.90

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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.