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Finding the Fourth Proportional to 1,907.54, 2,631.05 and 1,750.68

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Solution

The fourth proportional to 1,907.54, 2,631.05 and 1,750.68 is: 2,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.54 : 2,631.05 = 1,750.68 : x
  2. Step 2: Convert to fraction form
    1,907.54/2,631.05 = 1,750.68/x
  3. Step 3: Cross multiply
    1,907.54x = 2,631.05 × 1,750.68
  4. Step 4: Simplify right side
    1,907.54x = 4,606,126.61
  5. Step 5: Solve for x
    x = 4,606,126.61/1,907.54
  6. Step 6: Final answer
    x = 2,414.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.