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Finding the Fourth Proportional to 12,462.75, 17,199.81 and 6,873.75

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Solution

The fourth proportional to 12,462.75, 17,199.81 and 6,873.75 is: 9,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.75 : 17,199.81 = 6,873.75 : x
  2. Step 2: Convert to fraction form
    12,462.75/17,199.81 = 6,873.75/x
  3. Step 3: Cross multiply
    12,462.75x = 17,199.81 × 6,873.75
  4. Step 4: Simplify right side
    12,462.75x = 118,227,193.99
  5. Step 5: Solve for x
    x = 118,227,193.99/12,462.75
  6. Step 6: Final answer
    x = 9,486.45

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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.