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Finding the Fourth Proportional to 30,800.80, 46,190.40 and 16,004.80

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Solution

The fourth proportional to 30,800.80, 46,190.40 and 16,004.80 is: 24,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.80 : 46,190.40 = 16,004.80 : x
  2. Step 2: Convert to fraction form
    30,800.80/46,190.40 = 16,004.80/x
  3. Step 3: Cross multiply
    30,800.80x = 46,190.40 × 16,004.80
  4. Step 4: Simplify right side
    30,800.80x = 739,268,113.92
  5. Step 5: Solve for x
    x = 739,268,113.92/30,800.80
  6. Step 6: Final answer
    x = 24,001.59

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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.