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Finding the Fourth Proportional to 1,167.89, 1,751.90 and 582.93

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Solution

The fourth proportional to 1,167.89, 1,751.90 and 582.93 is: 874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.89 : 1,751.90 = 582.93 : x
  2. Step 2: Convert to fraction form
    1,167.89/1,751.90 = 582.93/x
  3. Step 3: Cross multiply
    1,167.89x = 1,751.90 × 582.93
  4. Step 4: Simplify right side
    1,167.89x = 1,021,232.15
  5. Step 5: Solve for x
    x = 1,021,232.15/1,167.89
  6. Step 6: Final answer
    x = 874.43

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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.