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Finding the Fourth Proportional to 64,361.10, 88,813.47 and 36,061.32

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Solution

The fourth proportional to 64,361.10, 88,813.47 and 36,061.32 is: 49,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.10 : 88,813.47 = 36,061.32 : x
  2. Step 2: Convert to fraction form
    64,361.10/88,813.47 = 36,061.32/x
  3. Step 3: Cross multiply
    64,361.10x = 88,813.47 × 36,061.32
  4. Step 4: Simplify right side
    64,361.10x = 3,202,730,961.98
  5. Step 5: Solve for x
    x = 3,202,730,961.98/64,361.10
  6. Step 6: Final answer
    x = 49,761.91

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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.