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Finding the Fourth Proportional to 35,101.66, 52,593.08 and 21,221.50

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Solution

The fourth proportional to 35,101.66, 52,593.08 and 21,221.50 is: 31,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,101.66 : 52,593.08 = 21,221.50 : x
  2. Step 2: Convert to fraction form
    35,101.66/52,593.08 = 21,221.50/x
  3. Step 3: Cross multiply
    35,101.66x = 52,593.08 × 21,221.50
  4. Step 4: Simplify right side
    35,101.66x = 1,116,104,047.22
  5. Step 5: Solve for x
    x = 1,116,104,047.22/35,101.66
  6. Step 6: Final answer
    x = 31,796.33

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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.