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Finding the Fourth Proportional to 11,256.75, 16,885.17 and 3,048.75

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Solution

The fourth proportional to 11,256.75, 16,885.17 and 3,048.75 is: 4,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.75 : 16,885.17 = 3,048.75 : x
  2. Step 2: Convert to fraction form
    11,256.75/16,885.17 = 3,048.75/x
  3. Step 3: Cross multiply
    11,256.75x = 16,885.17 × 3,048.75
  4. Step 4: Simplify right side
    11,256.75x = 51,478,662.04
  5. Step 5: Solve for x
    x = 51,478,662.04/11,256.75
  6. Step 6: Final answer
    x = 4,573.14

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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.