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Finding the Fourth Proportional to 65,992.99, 91,054.56 and 37,313.23

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Solution

The fourth proportional to 65,992.99, 91,054.56 and 37,313.23 is: 51,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,992.99 : 91,054.56 = 37,313.23 : x
  2. Step 2: Convert to fraction form
    65,992.99/91,054.56 = 37,313.23/x
  3. Step 3: Cross multiply
    65,992.99x = 91,054.56 × 37,313.23
  4. Step 4: Simplify right side
    65,992.99x = 3,397,539,739.83
  5. Step 5: Solve for x
    x = 3,397,539,739.83/65,992.99
  6. Step 6: Final answer
    x = 51,483.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.