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Finding the Fourth Proportional to 1,925.74, 2,889.72 and 1,910.08

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Solution

The fourth proportional to 1,925.74, 2,889.72 and 1,910.08 is: 2,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.74 : 2,889.72 = 1,910.08 : x
  2. Step 2: Convert to fraction form
    1,925.74/2,889.72 = 1,910.08/x
  3. Step 3: Cross multiply
    1,925.74x = 2,889.72 × 1,910.08
  4. Step 4: Simplify right side
    1,925.74x = 5,519,596.38
  5. Step 5: Solve for x
    x = 5,519,596.38/1,925.74
  6. Step 6: Final answer
    x = 2,866.22

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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.