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Finding the Fourth Proportional to 57,959.19, 86,969.57 and 22,899.15

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Solution

The fourth proportional to 57,959.19, 86,969.57 and 22,899.15 is: 34,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959.19 : 86,969.57 = 22,899.15 : x
  2. Step 2: Convert to fraction form
    57,959.19/86,969.57 = 22,899.15/x
  3. Step 3: Cross multiply
    57,959.19x = 86,969.57 × 22,899.15
  4. Step 4: Simplify right side
    57,959.19x = 1,991,529,114.37
  5. Step 5: Solve for x
    x = 1,991,529,114.37/57,959.19
  6. Step 6: Final answer
    x = 34,360.89

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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.