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Finding the Fourth Proportional to 18,039.63, 27,059.64 and 6,352.95

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Solution

The fourth proportional to 18,039.63, 27,059.64 and 6,352.95 is: 9,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.63 : 27,059.64 = 6,352.95 : x
  2. Step 2: Convert to fraction form
    18,039.63/27,059.64 = 6,352.95/x
  3. Step 3: Cross multiply
    18,039.63x = 27,059.64 × 6,352.95
  4. Step 4: Simplify right side
    18,039.63x = 171,908,539.94
  5. Step 5: Solve for x
    x = 171,908,539.94/18,039.63
  6. Step 6: Final answer
    x = 9,529.49

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Half 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.