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Finding the Fourth Proportional to 18,047.52, 27,028.08 and 11,453.04

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Solution

The fourth proportional to 18,047.52, 27,028.08 and 11,453.04 is: 17,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.52 : 27,028.08 = 11,453.04 : x
  2. Step 2: Convert to fraction form
    18,047.52/27,028.08 = 11,453.04/x
  3. Step 3: Cross multiply
    18,047.52x = 27,028.08 × 11,453.04
  4. Step 4: Simplify right side
    18,047.52x = 309,553,681.36
  5. Step 5: Solve for x
    x = 309,553,681.36/18,047.52
  6. Step 6: Final answer
    x = 17,152.15

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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.