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Finding the Fourth Proportional to 1,073.43, 1,600.08 and 955.71

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Solution

The fourth proportional to 1,073.43, 1,600.08 and 955.71 is: 1,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.43 : 1,600.08 = 955.71 : x
  2. Step 2: Convert to fraction form
    1,073.43/1,600.08 = 955.71/x
  3. Step 3: Cross multiply
    1,073.43x = 1,600.08 × 955.71
  4. Step 4: Simplify right side
    1,073.43x = 1,529,212.46
  5. Step 5: Solve for x
    x = 1,529,212.46/1,073.43
  6. Step 6: Final answer
    x = 1,424.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.