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Finding the Fourth Proportional to 44,152.40, 66,205.80 and 12,983.60

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Solution

The fourth proportional to 44,152.40, 66,205.80 and 12,983.60 is: 19,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,152.40 : 66,205.80 = 12,983.60 : x
  2. Step 2: Convert to fraction form
    44,152.40/66,205.80 = 12,983.60/x
  3. Step 3: Cross multiply
    44,152.40x = 66,205.80 × 12,983.60
  4. Step 4: Simplify right side
    44,152.40x = 859,589,624.88
  5. Step 5: Solve for x
    x = 859,589,624.88/44,152.40
  6. Step 6: Final answer
    x = 19,468.70

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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.