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Finding the Fourth Proportional to 18,384.75, 27,577.13 and 4,533.75

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Solution

The fourth proportional to 18,384.75, 27,577.13 and 4,533.75 is: 6,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.75 : 27,577.13 = 4,533.75 : x
  2. Step 2: Convert to fraction form
    18,384.75/27,577.13 = 4,533.75/x
  3. Step 3: Cross multiply
    18,384.75x = 27,577.13 × 4,533.75
  4. Step 4: Simplify right side
    18,384.75x = 125,027,790.47
  5. Step 5: Solve for x
    x = 125,027,790.47/18,384.75
  6. Step 6: Final answer
    x = 6,800.63

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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.