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Finding the Fourth Proportional to 18,537.81, 27,800.91 and 6,054.99

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Solution

The fourth proportional to 18,537.81, 27,800.91 and 6,054.99 is: 9,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.81 : 27,800.91 = 6,054.99 : x
  2. Step 2: Convert to fraction form
    18,537.81/27,800.91 = 6,054.99/x
  3. Step 3: Cross multiply
    18,537.81x = 27,800.91 × 6,054.99
  4. Step 4: Simplify right side
    18,537.81x = 168,334,232.04
  5. Step 5: Solve for x
    x = 168,334,232.04/18,537.81
  6. Step 6: Final answer
    x = 9,080.59

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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.