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Finding the Fourth Proportional to 965.93, 1,445.24 and 734.47

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Solution

The fourth proportional to 965.93, 1,445.24 and 734.47 is: 1,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.93 : 1,445.24 = 734.47 : x
  2. Step 2: Convert to fraction form
    965.93/1,445.24 = 734.47/x
  3. Step 3: Cross multiply
    965.93x = 1,445.24 × 734.47
  4. Step 4: Simplify right side
    965.93x = 1,061,483.65
  5. Step 5: Solve for x
    x = 1,061,483.65/965.93
  6. Step 6: Final answer
    x = 1,098.93

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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.