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Finding the Fourth Proportional to 45,583.36, 68,375.04 and 12,751.36

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Solution

The fourth proportional to 45,583.36, 68,375.04 and 12,751.36 is: 19,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,583.36 : 68,375.04 = 12,751.36 : x
  2. Step 2: Convert to fraction form
    45,583.36/68,375.04 = 12,751.36/x
  3. Step 3: Cross multiply
    45,583.36x = 68,375.04 × 12,751.36
  4. Step 4: Simplify right side
    45,583.36x = 871,874,750.05
  5. Step 5: Solve for x
    x = 871,874,750.05/45,583.36
  6. Step 6: Final answer
    x = 19,127.04

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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.