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Finding the Fourth Proportional to 64,490.93, 96,773.75 and 27,047.67

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Solution

The fourth proportional to 64,490.93, 96,773.75 and 27,047.67 is: 40,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,490.93 : 96,773.75 = 27,047.67 : x
  2. Step 2: Convert to fraction form
    64,490.93/96,773.75 = 27,047.67/x
  3. Step 3: Cross multiply
    64,490.93x = 96,773.75 × 27,047.67
  4. Step 4: Simplify right side
    64,490.93x = 2,617,504,454.66
  5. Step 5: Solve for x
    x = 2,617,504,454.66/64,490.93
  6. Step 6: Final answer
    x = 40,587.17

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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.