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Finding the Fourth Proportional to 1,425.14, 2,138.14 and 592.06

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Solution

The fourth proportional to 1,425.14, 2,138.14 and 592.06 is: 888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.14 : 2,138.14 = 592.06 : x
  2. Step 2: Convert to fraction form
    1,425.14/2,138.14 = 592.06/x
  3. Step 3: Cross multiply
    1,425.14x = 2,138.14 × 592.06
  4. Step 4: Simplify right side
    1,425.14x = 1,265,907.17
  5. Step 5: Solve for x
    x = 1,265,907.17/1,425.14
  6. Step 6: Final answer
    x = 888.27

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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.