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Finding the Fourth Proportional to 962.53, 1,440.05 and 732.08

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Solution

The fourth proportional to 962.53, 1,440.05 and 732.08 is: 1,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.53 : 1,440.05 = 732.08 : x
  2. Step 2: Convert to fraction form
    962.53/1,440.05 = 732.08/x
  3. Step 3: Cross multiply
    962.53x = 1,440.05 × 732.08
  4. Step 4: Simplify right side
    962.53x = 1,054,231.74
  5. Step 5: Solve for x
    x = 1,054,231.74/962.53
  6. Step 6: Final answer
    x = 1,095.27

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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.