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Finding the Fourth Proportional to 12,076.94, 16,674.53 and 7,541.42

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Solution

The fourth proportional to 12,076.94, 16,674.53 and 7,541.42 is: 10,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.94 : 16,674.53 = 7,541.42 : x
  2. Step 2: Convert to fraction form
    12,076.94/16,674.53 = 7,541.42/x
  3. Step 3: Cross multiply
    12,076.94x = 16,674.53 × 7,541.42
  4. Step 4: Simplify right side
    12,076.94x = 125,749,512.95
  5. Step 5: Solve for x
    x = 125,749,512.95/12,076.94
  6. Step 6: Final answer
    x = 10,412.37

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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.