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Finding the Fourth Proportional to 35,317.77, 52,978.20 and 17,556.94

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Solution

The fourth proportional to 35,317.77, 52,978.20 and 17,556.94 is: 26,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,317.77 : 52,978.20 = 17,556.94 : x
  2. Step 2: Convert to fraction form
    35,317.77/52,978.20 = 17,556.94/x
  3. Step 3: Cross multiply
    35,317.77x = 52,978.20 × 17,556.94
  4. Step 4: Simplify right side
    35,317.77x = 930,134,992.25
  5. Step 5: Solve for x
    x = 930,134,992.25/35,317.77
  6. Step 6: Final answer
    x = 26,336.17

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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.