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Finding the Fourth Proportional to 3,483.09, 4,806.90 and 1,970.13

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Solution

The fourth proportional to 3,483.09, 4,806.90 and 1,970.13 is: 2,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.09 : 4,806.90 = 1,970.13 : x
  2. Step 2: Convert to fraction form
    3,483.09/4,806.90 = 1,970.13/x
  3. Step 3: Cross multiply
    3,483.09x = 4,806.90 × 1,970.13
  4. Step 4: Simplify right side
    3,483.09x = 9,470,217.90
  5. Step 5: Solve for x
    x = 9,470,217.90/3,483.09
  6. Step 6: Final answer
    x = 2,718.91

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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.