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Finding the Fourth Proportional to 27,768.74, 41,656.74 and 14,621.82

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Solution

The fourth proportional to 27,768.74, 41,656.74 and 14,621.82 is: 21,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.74 : 41,656.74 = 14,621.82 : x
  2. Step 2: Convert to fraction form
    27,768.74/41,656.74 = 14,621.82/x
  3. Step 3: Cross multiply
    27,768.74x = 41,656.74 × 14,621.82
  4. Step 4: Simplify right side
    27,768.74x = 609,097,354.07
  5. Step 5: Solve for x
    x = 609,097,354.07/27,768.74
  6. Step 6: Final answer
    x = 21,934.64

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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.