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Finding the Fourth Proportional to 1,926.54, 2,889.96 and 1,697.06

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Solution

The fourth proportional to 1,926.54, 2,889.96 and 1,697.06 is: 2,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.54 : 2,889.96 = 1,697.06 : x
  2. Step 2: Convert to fraction form
    1,926.54/2,889.96 = 1,697.06/x
  3. Step 3: Cross multiply
    1,926.54x = 2,889.96 × 1,697.06
  4. Step 4: Simplify right side
    1,926.54x = 4,904,435.52
  5. Step 5: Solve for x
    x = 4,904,435.52/1,926.54
  6. Step 6: Final answer
    x = 2,545.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.