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Finding the Fourth Proportional to 30,944.37, 42,702.93 and 16,797.19

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Solution

The fourth proportional to 30,944.37, 42,702.93 and 16,797.19 is: 23,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.37 : 42,702.93 = 16,797.19 : x
  2. Step 2: Convert to fraction form
    30,944.37/42,702.93 = 16,797.19/x
  3. Step 3: Cross multiply
    30,944.37x = 42,702.93 × 16,797.19
  4. Step 4: Simplify right side
    30,944.37x = 717,289,228.77
  5. Step 5: Solve for x
    x = 717,289,228.77/30,944.37
  6. Step 6: Final answer
    x = 23,179.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.