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Finding the Fourth Proportional to 35,136.52, 48,488.01 and 19,220.78

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Solution

The fourth proportional to 35,136.52, 48,488.01 and 19,220.78 is: 26,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.52 : 48,488.01 = 19,220.78 : x
  2. Step 2: Convert to fraction form
    35,136.52/48,488.01 = 19,220.78/x
  3. Step 3: Cross multiply
    35,136.52x = 48,488.01 × 19,220.78
  4. Step 4: Simplify right side
    35,136.52x = 931,977,372.85
  5. Step 5: Solve for x
    x = 931,977,372.85/35,136.52
  6. Step 6: Final answer
    x = 26,524.46

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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.