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Finding the Fourth Proportional to 962.03, 1,327.51 and 589.12

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Solution

The fourth proportional to 962.03, 1,327.51 and 589.12 is: 812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.03 : 1,327.51 = 589.12 : x
  2. Step 2: Convert to fraction form
    962.03/1,327.51 = 589.12/x
  3. Step 3: Cross multiply
    962.03x = 1,327.51 × 589.12
  4. Step 4: Simplify right side
    962.03x = 782,053.11
  5. Step 5: Solve for x
    x = 782,053.11/962.03
  6. Step 6: Final answer
    x = 812.92

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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.