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Finding the Fourth Proportional to 1,575.23, 2,362.32 and 650.84

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Solution

The fourth proportional to 1,575.23, 2,362.32 and 650.84 is: 976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.23 : 2,362.32 = 650.84 : x
  2. Step 2: Convert to fraction form
    1,575.23/2,362.32 = 650.84/x
  3. Step 3: Cross multiply
    1,575.23x = 2,362.32 × 650.84
  4. Step 4: Simplify right side
    1,575.23x = 1,537,480.54
  5. Step 5: Solve for x
    x = 1,537,480.54/1,575.23
  6. Step 6: Final answer
    x = 976.04

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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.