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Finding the Fourth Proportional to 12,604.22, 17,393.83 and 7,015.22

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Solution

The fourth proportional to 12,604.22, 17,393.83 and 7,015.22 is: 9,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.22 : 17,393.83 = 7,015.22 : x
  2. Step 2: Convert to fraction form
    12,604.22/17,393.83 = 7,015.22/x
  3. Step 3: Cross multiply
    12,604.22x = 17,393.83 × 7,015.22
  4. Step 4: Simplify right side
    12,604.22x = 122,021,504.81
  5. Step 5: Solve for x
    x = 122,021,504.81/12,604.22
  6. Step 6: Final answer
    x = 9,681.01

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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.