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Finding the Fourth Proportional to 36,025.49, 54,038.16 and 20,025.20

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Solution

The fourth proportional to 36,025.49, 54,038.16 and 20,025.20 is: 30,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,025.49 : 54,038.16 = 20,025.20 : x
  2. Step 2: Convert to fraction form
    36,025.49/54,038.16 = 20,025.20/x
  3. Step 3: Cross multiply
    36,025.49x = 54,038.16 × 20,025.20
  4. Step 4: Simplify right side
    36,025.49x = 1,082,124,961.63
  5. Step 5: Solve for x
    x = 1,082,124,961.63/36,025.49
  6. Step 6: Final answer
    x = 30,037.76

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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.