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Finding the Fourth Proportional to 12,449.93, 17,173.04 and 7,410.38

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Solution

The fourth proportional to 12,449.93, 17,173.04 and 7,410.38 is: 10,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.93 : 17,173.04 = 7,410.38 : x
  2. Step 2: Convert to fraction form
    12,449.93/17,173.04 = 7,410.38/x
  3. Step 3: Cross multiply
    12,449.93x = 17,173.04 × 7,410.38
  4. Step 4: Simplify right side
    12,449.93x = 127,258,629.24
  5. Step 5: Solve for x
    x = 127,258,629.24/12,449.93
  6. Step 6: Final answer
    x = 10,221.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.