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Finding the Fourth Proportional to 48,132.70, 72,197.70 and 21,837.40

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Solution

The fourth proportional to 48,132.70, 72,197.70 and 21,837.40 is: 32,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,132.70 : 72,197.70 = 21,837.40 : x
  2. Step 2: Convert to fraction form
    48,132.70/72,197.70 = 21,837.40/x
  3. Step 3: Cross multiply
    48,132.70x = 72,197.70 × 21,837.40
  4. Step 4: Simplify right side
    48,132.70x = 1,576,610,053.98
  5. Step 5: Solve for x
    x = 1,576,610,053.98/48,132.70
  6. Step 6: Final answer
    x = 32,755.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.