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Finding the Fourth Proportional to 35,968.96, 49,636.96 and 20,053.60

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Solution

The fourth proportional to 35,968.96, 49,636.96 and 20,053.60 is: 27,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,968.96 : 49,636.96 = 20,053.60 : x
  2. Step 2: Convert to fraction form
    35,968.96/49,636.96 = 20,053.60/x
  3. Step 3: Cross multiply
    35,968.96x = 49,636.96 × 20,053.60
  4. Step 4: Simplify right side
    35,968.96x = 995,399,741.06
  5. Step 5: Solve for x
    x = 995,399,741.06/35,968.96
  6. Step 6: Final answer
    x = 27,673.85

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1.5x scale

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.