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Finding the Fourth Proportional to 9,168.07, 13,757.88 and 3,903.07

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Solution

The fourth proportional to 9,168.07, 13,757.88 and 3,903.07 is: 5,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.07 : 13,757.88 = 3,903.07 : x
  2. Step 2: Convert to fraction form
    9,168.07/13,757.88 = 3,903.07/x
  3. Step 3: Cross multiply
    9,168.07x = 13,757.88 × 3,903.07
  4. Step 4: Simplify right side
    9,168.07x = 53,697,968.69
  5. Step 5: Solve for x
    x = 53,697,968.69/9,168.07
  6. Step 6: Final answer
    x = 5,857.06

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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.