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Finding the Fourth Proportional to 27,168.69, 40,745.14 and 10,525.01

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Solution

The fourth proportional to 27,168.69, 40,745.14 and 10,525.01 is: 15,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.69 : 40,745.14 = 10,525.01 : x
  2. Step 2: Convert to fraction form
    27,168.69/40,745.14 = 10,525.01/x
  3. Step 3: Cross multiply
    27,168.69x = 40,745.14 × 10,525.01
  4. Step 4: Simplify right side
    27,168.69x = 428,843,081.50
  5. Step 5: Solve for x
    x = 428,843,081.50/27,168.69
  6. Step 6: Final answer
    x = 15,784.46

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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.