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Finding the Fourth Proportional to 71,696.48, 98,912.68 and 41,476.20

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Solution

The fourth proportional to 71,696.48, 98,912.68 and 41,476.20 is: 57,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,696.48 : 98,912.68 = 41,476.20 : x
  2. Step 2: Convert to fraction form
    71,696.48/98,912.68 = 41,476.20/x
  3. Step 3: Cross multiply
    71,696.48x = 98,912.68 × 41,476.20
  4. Step 4: Simplify right side
    71,696.48x = 4,102,522,098.22
  5. Step 5: Solve for x
    x = 4,102,522,098.22/71,696.48
  6. Step 6: Final answer
    x = 57,220.69

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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.