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Finding the Fourth Proportional to 1,889.50, 2,607.10 and 1,050.02

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Solution

The fourth proportional to 1,889.50, 2,607.10 and 1,050.02 is: 1,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.50 : 2,607.10 = 1,050.02 : x
  2. Step 2: Convert to fraction form
    1,889.50/2,607.10 = 1,050.02/x
  3. Step 3: Cross multiply
    1,889.50x = 2,607.10 × 1,050.02
  4. Step 4: Simplify right side
    1,889.50x = 2,737,521.83
  5. Step 5: Solve for x
    x = 2,737,521.83/1,889.50
  6. Step 6: Final answer
    x = 1,448.81

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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.