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Finding the Fourth Proportional to 1,907.46, 2,861.28 and 592.12

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Solution

The fourth proportional to 1,907.46, 2,861.28 and 592.12 is: 888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.46 : 2,861.28 = 592.12 : x
  2. Step 2: Convert to fraction form
    1,907.46/2,861.28 = 592.12/x
  3. Step 3: Cross multiply
    1,907.46x = 2,861.28 × 592.12
  4. Step 4: Simplify right side
    1,907.46x = 1,694,221.11
  5. Step 5: Solve for x
    x = 1,694,221.11/1,907.46
  6. Step 6: Final answer
    x = 888.21

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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.