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Finding the Fourth Proportional to 35,403.92, 48,858.80 and 19,489.85

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Solution

The fourth proportional to 35,403.92, 48,858.80 and 19,489.85 is: 26,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.92 : 48,858.80 = 19,489.85 : x
  2. Step 2: Convert to fraction form
    35,403.92/48,858.80 = 19,489.85/x
  3. Step 3: Cross multiply
    35,403.92x = 48,858.80 × 19,489.85
  4. Step 4: Simplify right side
    35,403.92x = 952,250,683.18
  5. Step 5: Solve for x
    x = 952,250,683.18/35,403.92
  6. Step 6: Final answer
    x = 26,896.76

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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.