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Finding the Fourth Proportional to 12,355.94, 18,533.94 and 2,995.92

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Solution

The fourth proportional to 12,355.94, 18,533.94 and 2,995.92 is: 4,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.94 : 18,533.94 = 2,995.92 : x
  2. Step 2: Convert to fraction form
    12,355.94/18,533.94 = 2,995.92/x
  3. Step 3: Cross multiply
    12,355.94x = 18,533.94 × 2,995.92
  4. Step 4: Simplify right side
    12,355.94x = 55,526,201.52
  5. Step 5: Solve for x
    x = 55,526,201.52/12,355.94
  6. Step 6: Final answer
    x = 4,493.89

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Half scale
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Double scale
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Similar ratio
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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.