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Finding the Fourth Proportional to 16,300.40, 24,439.80 and 5,910.80

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Solution

The fourth proportional to 16,300.40, 24,439.80 and 5,910.80 is: 8,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,300.40 : 24,439.80 = 5,910.80 : x
  2. Step 2: Convert to fraction form
    16,300.40/24,439.80 = 5,910.80/x
  3. Step 3: Cross multiply
    16,300.40x = 24,439.80 × 5,910.80
  4. Step 4: Simplify right side
    16,300.40x = 144,458,769.84
  5. Step 5: Solve for x
    x = 144,458,769.84/16,300.40
  6. Step 6: Final answer
    x = 8,862.28

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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.