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Finding the Fourth Proportional to 13,119.52, 19,674.06 and 4,797.64

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Solution

The fourth proportional to 13,119.52, 19,674.06 and 4,797.64 is: 7,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.52 : 19,674.06 = 4,797.64 : x
  2. Step 2: Convert to fraction form
    13,119.52/19,674.06 = 4,797.64/x
  3. Step 3: Cross multiply
    13,119.52x = 19,674.06 × 4,797.64
  4. Step 4: Simplify right side
    13,119.52x = 94,389,057.22
  5. Step 5: Solve for x
    x = 94,389,057.22/13,119.52
  6. Step 6: Final answer
    x = 7,194.55

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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.