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Finding the Fourth Proportional to 35,136.92, 48,488.62 and 19,221.48

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Solution

The fourth proportional to 35,136.92, 48,488.62 and 19,221.48 is: 26,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.92 : 48,488.62 = 19,221.48 : x
  2. Step 2: Convert to fraction form
    35,136.92/48,488.62 = 19,221.48/x
  3. Step 3: Cross multiply
    35,136.92x = 48,488.62 × 19,221.48
  4. Step 4: Simplify right side
    35,136.92x = 932,023,039.56
  5. Step 5: Solve for x
    x = 932,023,039.56/35,136.92
  6. Step 6: Final answer
    x = 26,525.46

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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.