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Finding the Fourth Proportional to 57,383.61, 86,075.43 and 17,941.08

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Solution

The fourth proportional to 57,383.61, 86,075.43 and 17,941.08 is: 26,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.61 : 86,075.43 = 17,941.08 : x
  2. Step 2: Convert to fraction form
    57,383.61/86,075.43 = 17,941.08/x
  3. Step 3: Cross multiply
    57,383.61x = 86,075.43 × 17,941.08
  4. Step 4: Simplify right side
    57,383.61x = 1,544,286,175.66
  5. Step 5: Solve for x
    x = 1,544,286,175.66/57,383.61
  6. Step 6: Final answer
    x = 26,911.62

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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.