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Finding the Fourth Proportional to 953.52, 1,430.28 and 737.25

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Solution

The fourth proportional to 953.52, 1,430.28 and 737.25 is: 1,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.52 : 1,430.28 = 737.25 : x
  2. Step 2: Convert to fraction form
    953.52/1,430.28 = 737.25/x
  3. Step 3: Cross multiply
    953.52x = 1,430.28 × 737.25
  4. Step 4: Simplify right side
    953.52x = 1,054,473.93
  5. Step 5: Solve for x
    x = 1,054,473.93/953.52
  6. Step 6: Final answer
    x = 1,105.88

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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.