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Finding the Fourth Proportional to 63,653, 87,841.14 and 35,361.32

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Solution

The fourth proportional to 63,653, 87,841.14 and 35,361.32 is: 48,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,653 : 87,841.14 = 35,361.32 : x
  2. Step 2: Convert to fraction form
    63,653/87,841.14 = 35,361.32/x
  3. Step 3: Cross multiply
    63,653x = 87,841.14 × 35,361.32
  4. Step 4: Simplify right side
    63,653x = 3,106,178,660.70
  5. Step 5: Solve for x
    x = 3,106,178,660.70/63,653
  6. Step 6: Final answer
    x = 48,798.62

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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.