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Finding the Fourth Proportional to 30,750.60, 46,081.02 and 13,632.83

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Solution

The fourth proportional to 30,750.60, 46,081.02 and 13,632.83 is: 20,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.60 : 46,081.02 = 13,632.83 : x
  2. Step 2: Convert to fraction form
    30,750.60/46,081.02 = 13,632.83/x
  3. Step 3: Cross multiply
    30,750.60x = 46,081.02 × 13,632.83
  4. Step 4: Simplify right side
    30,750.60x = 628,214,887.93
  5. Step 5: Solve for x
    x = 628,214,887.93/30,750.60
  6. Step 6: Final answer
    x = 20,429.36

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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.