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Finding the Fourth Proportional to 2,907.93, 4,363.70 and 1,264.49

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Solution

The fourth proportional to 2,907.93, 4,363.70 and 1,264.49 is: 1,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.93 : 4,363.70 = 1,264.49 : x
  2. Step 2: Convert to fraction form
    2,907.93/4,363.70 = 1,264.49/x
  3. Step 3: Cross multiply
    2,907.93x = 4,363.70 × 1,264.49
  4. Step 4: Simplify right side
    2,907.93x = 5,517,855.01
  5. Step 5: Solve for x
    x = 5,517,855.01/2,907.93
  6. Step 6: Final answer
    x = 1,897.52

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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.