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Finding the Fourth Proportional to 35,585.99, 53,408.91 and 17,811.32

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Solution

The fourth proportional to 35,585.99, 53,408.91 and 17,811.32 is: 26,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.99 : 53,408.91 = 17,811.32 : x
  2. Step 2: Convert to fraction form
    35,585.99/53,408.91 = 17,811.32/x
  3. Step 3: Cross multiply
    35,585.99x = 53,408.91 × 17,811.32
  4. Step 4: Simplify right side
    35,585.99x = 951,283,186.86
  5. Step 5: Solve for x
    x = 951,283,186.86/35,585.99
  6. Step 6: Final answer
    x = 26,731.96

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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.