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Finding the Fourth Proportional to 63,796.60, 95,702.72 and 21,683.62

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Solution

The fourth proportional to 63,796.60, 95,702.72 and 21,683.62 is: 32,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,796.60 : 95,702.72 = 21,683.62 : x
  2. Step 2: Convert to fraction form
    63,796.60/95,702.72 = 21,683.62/x
  3. Step 3: Cross multiply
    63,796.60x = 95,702.72 × 21,683.62
  4. Step 4: Simplify right side
    63,796.60x = 2,075,181,413.45
  5. Step 5: Solve for x
    x = 2,075,181,413.45/63,796.60
  6. Step 6: Final answer
    x = 32,528.09

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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.