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Finding the Fourth Proportional to 37,903.56, 52,306.80 and 21,136.56

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Solution

The fourth proportional to 37,903.56, 52,306.80 and 21,136.56 is: 29,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,903.56 : 52,306.80 = 21,136.56 : x
  2. Step 2: Convert to fraction form
    37,903.56/52,306.80 = 21,136.56/x
  3. Step 3: Cross multiply
    37,903.56x = 52,306.80 × 21,136.56
  4. Step 4: Simplify right side
    37,903.56x = 1,105,585,816.61
  5. Step 5: Solve for x
    x = 1,105,585,816.61/37,903.56
  6. Step 6: Final answer
    x = 29,168.39

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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.