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Finding the Fourth Proportional to 35,973.40, 49,640.96 and 20,056.90

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Solution

The fourth proportional to 35,973.40, 49,640.96 and 20,056.90 is: 27,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.40 : 49,640.96 = 20,056.90 : x
  2. Step 2: Convert to fraction form
    35,973.40/49,640.96 = 20,056.90/x
  3. Step 3: Cross multiply
    35,973.40x = 49,640.96 × 20,056.90
  4. Step 4: Simplify right side
    35,973.40x = 995,643,770.62
  5. Step 5: Solve for x
    x = 995,643,770.62/35,973.40
  6. Step 6: Final answer
    x = 27,677.22

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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.