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Finding the Fourth Proportional to 27,768.51, 41,655.03 and 9,043.56

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Solution

The fourth proportional to 27,768.51, 41,655.03 and 9,043.56 is: 13,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.51 : 41,655.03 = 9,043.56 : x
  2. Step 2: Convert to fraction form
    27,768.51/41,655.03 = 9,043.56/x
  3. Step 3: Cross multiply
    27,768.51x = 41,655.03 × 9,043.56
  4. Step 4: Simplify right side
    27,768.51x = 376,709,763.11
  5. Step 5: Solve for x
    x = 376,709,763.11/27,768.51
  6. Step 6: Final answer
    x = 13,566.08

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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.