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Finding the Fourth Proportional to 2,678.60, 3,696.32 and 1,483.52

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Solution

The fourth proportional to 2,678.60, 3,696.32 and 1,483.52 is: 2,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.60 : 3,696.32 = 1,483.52 : x
  2. Step 2: Convert to fraction form
    2,678.60/3,696.32 = 1,483.52/x
  3. Step 3: Cross multiply
    2,678.60x = 3,696.32 × 1,483.52
  4. Step 4: Simplify right side
    2,678.60x = 5,483,564.65
  5. Step 5: Solve for x
    x = 5,483,564.65/2,678.60
  6. Step 6: Final answer
    x = 2,047.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.