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Finding the Fourth Proportional to 38,993.60, 58,504.80 and 37,553.60

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Solution

The fourth proportional to 38,993.60, 58,504.80 and 37,553.60 is: 56,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.60 : 58,504.80 = 37,553.60 : x
  2. Step 2: Convert to fraction form
    38,993.60/58,504.80 = 37,553.60/x
  3. Step 3: Cross multiply
    38,993.60x = 58,504.80 × 37,553.60
  4. Step 4: Simplify right side
    38,993.60x = 2,197,065,857.28
  5. Step 5: Solve for x
    x = 2,197,065,857.28/38,993.60
  6. Step 6: Final answer
    x = 56,344.27

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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.