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Finding the Fourth Proportional to 36,482.92, 54,745.49 and 15,421.60

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Solution

The fourth proportional to 36,482.92, 54,745.49 and 15,421.60 is: 23,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,482.92 : 54,745.49 = 15,421.60 : x
  2. Step 2: Convert to fraction form
    36,482.92/54,745.49 = 15,421.60/x
  3. Step 3: Cross multiply
    36,482.92x = 54,745.49 × 15,421.60
  4. Step 4: Simplify right side
    36,482.92x = 844,262,834.61
  5. Step 5: Solve for x
    x = 844,262,834.61/36,482.92
  6. Step 6: Final answer
    x = 23,141.32

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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.