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Finding the Fourth Proportional to 951.07, 1,421.73 and 732.37

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Solution

The fourth proportional to 951.07, 1,421.73 and 732.37 is: 1,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.07 : 1,421.73 = 732.37 : x
  2. Step 2: Convert to fraction form
    951.07/1,421.73 = 732.37/x
  3. Step 3: Cross multiply
    951.07x = 1,421.73 × 732.37
  4. Step 4: Simplify right side
    951.07x = 1,041,232.40
  5. Step 5: Solve for x
    x = 1,041,232.40/951.07
  6. Step 6: Final answer
    x = 1,094.80

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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.