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Finding the Fourth Proportional to 48,696.60, 68,382.60 and 48,696.60

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Solution

The fourth proportional to 48,696.60, 68,382.60 and 48,696.60 is: 68,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,696.60 : 68,382.60 = 48,696.60 : x
  2. Step 2: Convert to fraction form
    48,696.60/68,382.60 = 48,696.60/x
  3. Step 3: Cross multiply
    48,696.60x = 68,382.60 × 48,696.60
  4. Step 4: Simplify right side
    48,696.60x = 3,330,000,119.16
  5. Step 5: Solve for x
    x = 3,330,000,119.16/48,696.60
  6. Step 6: Final answer
    x = 68,382.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.