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Finding the Fourth Proportional to 962.57, 1,441.96 and 895.07

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Solution

The fourth proportional to 962.57, 1,441.96 and 895.07 is: 1,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.57 : 1,441.96 = 895.07 : x
  2. Step 2: Convert to fraction form
    962.57/1,441.96 = 895.07/x
  3. Step 3: Cross multiply
    962.57x = 1,441.96 × 895.07
  4. Step 4: Simplify right side
    962.57x = 1,290,655.14
  5. Step 5: Solve for x
    x = 1,290,655.14/962.57
  6. Step 6: Final answer
    x = 1,340.84

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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.