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Finding the Fourth Proportional to 18,555.53, 27,837.41 and 9,200.63

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Solution

The fourth proportional to 18,555.53, 27,837.41 and 9,200.63 is: 13,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.53 : 27,837.41 = 9,200.63 : x
  2. Step 2: Convert to fraction form
    18,555.53/27,837.41 = 9,200.63/x
  3. Step 3: Cross multiply
    18,555.53x = 27,837.41 × 9,200.63
  4. Step 4: Simplify right side
    18,555.53x = 256,121,733.16
  5. Step 5: Solve for x
    x = 256,121,733.16/18,555.53
  6. Step 6: Final answer
    x = 13,802.99

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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.