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Finding the Fourth Proportional to 37,321.20, 52,318.80 and 37,321.20

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Solution

The fourth proportional to 37,321.20, 52,318.80 and 37,321.20 is: 52,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321.20 : 52,318.80 = 37,321.20 : x
  2. Step 2: Convert to fraction form
    37,321.20/52,318.80 = 37,321.20/x
  3. Step 3: Cross multiply
    37,321.20x = 52,318.80 × 37,321.20
  4. Step 4: Simplify right side
    37,321.20x = 1,952,600,398.56
  5. Step 5: Solve for x
    x = 1,952,600,398.56/37,321.20
  6. Step 6: Final answer
    x = 52,318.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.