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Finding the Fourth Proportional to 38,322.37, 57,483.57 and 10,620.37

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Solution

The fourth proportional to 38,322.37, 57,483.57 and 10,620.37 is: 15,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.37 : 57,483.57 = 10,620.37 : x
  2. Step 2: Convert to fraction form
    38,322.37/57,483.57 = 10,620.37/x
  3. Step 3: Cross multiply
    38,322.37x = 57,483.57 × 10,620.37
  4. Step 4: Simplify right side
    38,322.37x = 610,496,494.90
  5. Step 5: Solve for x
    x = 610,496,494.90/38,322.37
  6. Step 6: Final answer
    x = 15,930.55

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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.