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Finding the Fourth Proportional to 12,993.64, 19,494.25 and 4,673.49

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Solution

The fourth proportional to 12,993.64, 19,494.25 and 4,673.49 is: 7,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.64 : 19,494.25 = 4,673.49 : x
  2. Step 2: Convert to fraction form
    12,993.64/19,494.25 = 4,673.49/x
  3. Step 3: Cross multiply
    12,993.64x = 19,494.25 × 4,673.49
  4. Step 4: Simplify right side
    12,993.64x = 91,106,182.43
  5. Step 5: Solve for x
    x = 91,106,182.43/12,993.64
  6. Step 6: Final answer
    x = 7,011.60

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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.