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Finding the Fourth Proportional to 1,337.52, 1,847.28 and 894.66

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Solution

The fourth proportional to 1,337.52, 1,847.28 and 894.66 is: 1,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.52 : 1,847.28 = 894.66 : x
  2. Step 2: Convert to fraction form
    1,337.52/1,847.28 = 894.66/x
  3. Step 3: Cross multiply
    1,337.52x = 1,847.28 × 894.66
  4. Step 4: Simplify right side
    1,337.52x = 1,652,687.52
  5. Step 5: Solve for x
    x = 1,652,687.52/1,337.52
  6. Step 6: Final answer
    x = 1,235.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.