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Finding the Fourth Proportional to 2,907.84, 4,362 and 1,175.52

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Solution

The fourth proportional to 2,907.84, 4,362 and 1,175.52 is: 1,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.84 : 4,362 = 1,175.52 : x
  2. Step 2: Convert to fraction form
    2,907.84/4,362 = 1,175.52/x
  3. Step 3: Cross multiply
    2,907.84x = 4,362 × 1,175.52
  4. Step 4: Simplify right side
    2,907.84x = 5,127,618.24
  5. Step 5: Solve for x
    x = 5,127,618.24/2,907.84
  6. Step 6: Final answer
    x = 1,763.38

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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.