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Finding the Fourth Proportional to 45,396.48, 68,094.72 and 12,116.67

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Solution

The fourth proportional to 45,396.48, 68,094.72 and 12,116.67 is: 18,175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.48 : 68,094.72 = 12,116.67 : x
  2. Step 2: Convert to fraction form
    45,396.48/68,094.72 = 12,116.67/x
  3. Step 3: Cross multiply
    45,396.48x = 68,094.72 × 12,116.67
  4. Step 4: Simplify right side
    45,396.48x = 825,081,250.98
  5. Step 5: Solve for x
    x = 825,081,250.98/45,396.48
  6. Step 6: Final answer
    x = 18,175.01

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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.