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Finding the Fourth Proportional to 18,043.97, 27,064.73 and 6,355.67

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Solution

The fourth proportional to 18,043.97, 27,064.73 and 6,355.67 is: 9,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.97 : 27,064.73 = 6,355.67 : x
  2. Step 2: Convert to fraction form
    18,043.97/27,064.73 = 6,355.67/x
  3. Step 3: Cross multiply
    18,043.97x = 27,064.73 × 6,355.67
  4. Step 4: Simplify right side
    18,043.97x = 172,014,373.08
  5. Step 5: Solve for x
    x = 172,014,373.08/18,043.97
  6. Step 6: Final answer
    x = 9,533.07

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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.