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Finding the Fourth Proportional to 18,040.68, 27,054.36 and 7,653.24

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Solution

The fourth proportional to 18,040.68, 27,054.36 and 7,653.24 is: 11,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.68 : 27,054.36 = 7,653.24 : x
  2. Step 2: Convert to fraction form
    18,040.68/27,054.36 = 7,653.24/x
  3. Step 3: Cross multiply
    18,040.68x = 27,054.36 × 7,653.24
  4. Step 4: Simplify right side
    18,040.68x = 207,053,510.13
  5. Step 5: Solve for x
    x = 207,053,510.13/18,040.68
  6. Step 6: Final answer
    x = 11,477.03

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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.