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Finding the Fourth Proportional to 45,706.95, 68,552.01 and 20,741.00

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Solution

The fourth proportional to 45,706.95, 68,552.01 and 20,741.00 is: 31,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.95 : 68,552.01 = 20,741.00 : x
  2. Step 2: Convert to fraction form
    45,706.95/68,552.01 = 20,741.00/x
  3. Step 3: Cross multiply
    45,706.95x = 68,552.01 × 20,741.00
  4. Step 4: Simplify right side
    45,706.95x = 1,421,836,896.65
  5. Step 5: Solve for x
    x = 1,421,836,896.65/45,706.95
  6. Step 6: Final answer
    x = 31,107.67

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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.