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Finding the Fourth Proportional to 907.52, 1,358.04 and 892.94

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Solution

The fourth proportional to 907.52, 1,358.04 and 892.94 is: 1,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.52 : 1,358.04 = 892.94 : x
  2. Step 2: Convert to fraction form
    907.52/1,358.04 = 892.94/x
  3. Step 3: Cross multiply
    907.52x = 1,358.04 × 892.94
  4. Step 4: Simplify right side
    907.52x = 1,212,648.24
  5. Step 5: Solve for x
    x = 1,212,648.24/907.52
  6. Step 6: Final answer
    x = 1,336.22

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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.