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Finding the Fourth Proportional to 64,238, 88,648.46 and 35,949.16

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Solution

The fourth proportional to 64,238, 88,648.46 and 35,949.16 is: 49,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,238 : 88,648.46 = 35,949.16 : x
  2. Step 2: Convert to fraction form
    64,238/88,648.46 = 35,949.16/x
  3. Step 3: Cross multiply
    64,238x = 88,648.46 × 35,949.16
  4. Step 4: Simplify right side
    64,238x = 3,186,837,672.29
  5. Step 5: Solve for x
    x = 3,186,837,672.29/64,238
  6. Step 6: Final answer
    x = 49,609.85

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