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Finding the Fourth Proportional to 962.06, 1,327.53 and 589.13

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Solution

The fourth proportional to 962.06, 1,327.53 and 589.13 is: 812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.06 : 1,327.53 = 589.13 : x
  2. Step 2: Convert to fraction form
    962.06/1,327.53 = 589.13/x
  3. Step 3: Cross multiply
    962.06x = 1,327.53 × 589.13
  4. Step 4: Simplify right side
    962.06x = 782,087.75
  5. Step 5: Solve for x
    x = 782,087.75/962.06
  6. Step 6: Final answer
    x = 812.93

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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.