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Finding the Fourth Proportional to 27,795.36, 41,693.16 and 7,018.86

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Solution

The fourth proportional to 27,795.36, 41,693.16 and 7,018.86 is: 10,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.36 : 41,693.16 = 7,018.86 : x
  2. Step 2: Convert to fraction form
    27,795.36/41,693.16 = 7,018.86/x
  3. Step 3: Cross multiply
    27,795.36x = 41,693.16 × 7,018.86
  4. Step 4: Simplify right side
    27,795.36x = 292,638,453.00
  5. Step 5: Solve for x
    x = 292,638,453.00/27,795.36
  6. Step 6: Final answer
    x = 10,528.32

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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.