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Finding the Fourth Proportional to 9,009.84, 13,509.60 and 2,768.22

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Solution

The fourth proportional to 9,009.84, 13,509.60 and 2,768.22 is: 4,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.84 : 13,509.60 = 2,768.22 : x
  2. Step 2: Convert to fraction form
    9,009.84/13,509.60 = 2,768.22/x
  3. Step 3: Cross multiply
    9,009.84x = 13,509.60 × 2,768.22
  4. Step 4: Simplify right side
    9,009.84x = 37,397,544.91
  5. Step 5: Solve for x
    x = 37,397,544.91/9,009.84
  6. Step 6: Final answer
    x = 4,150.74

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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.