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Finding the Fourth Proportional to 35,136.90, 48,488.99 and 19,221.39

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Solution

The fourth proportional to 35,136.90, 48,488.99 and 19,221.39 is: 26,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.90 : 48,488.99 = 19,221.39 : x
  2. Step 2: Convert to fraction form
    35,136.90/48,488.99 = 19,221.39/x
  3. Step 3: Cross multiply
    35,136.90x = 48,488.99 × 19,221.39
  4. Step 4: Simplify right side
    35,136.90x = 932,025,691.39
  5. Step 5: Solve for x
    x = 932,025,691.39/35,136.90
  6. Step 6: Final answer
    x = 26,525.55

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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.