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Finding the Fourth Proportional to 1,801.06, 2,485.49 and 1,015.10

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Solution

The fourth proportional to 1,801.06, 2,485.49 and 1,015.10 is: 1,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.06 : 2,485.49 = 1,015.10 : x
  2. Step 2: Convert to fraction form
    1,801.06/2,485.49 = 1,015.10/x
  3. Step 3: Cross multiply
    1,801.06x = 2,485.49 × 1,015.10
  4. Step 4: Simplify right side
    1,801.06x = 2,523,012.72
  5. Step 5: Solve for x
    x = 2,523,012.72/1,801.06
  6. Step 6: Final answer
    x = 1,400.85

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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.