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Finding the Fourth Proportional to 64,471.37, 88,969.07 and 35,789.38

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Solution

The fourth proportional to 64,471.37, 88,969.07 and 35,789.38 is: 49,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,471.37 : 88,969.07 = 35,789.38 : x
  2. Step 2: Convert to fraction form
    64,471.37/88,969.07 = 35,789.38/x
  3. Step 3: Cross multiply
    64,471.37x = 88,969.07 × 35,789.38
  4. Step 4: Simplify right side
    64,471.37x = 3,184,147,721.53
  5. Step 5: Solve for x
    x = 3,184,147,721.53/64,471.37
  6. Step 6: Final answer
    x = 49,388.56

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1.5x scale

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.