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Finding the Fourth Proportional to 1,693.29, 2,539.98 and 582.69

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Solution

The fourth proportional to 1,693.29, 2,539.98 and 582.69 is: 874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.29 : 2,539.98 = 582.69 : x
  2. Step 2: Convert to fraction form
    1,693.29/2,539.98 = 582.69/x
  3. Step 3: Cross multiply
    1,693.29x = 2,539.98 × 582.69
  4. Step 4: Simplify right side
    1,693.29x = 1,480,020.95
  5. Step 5: Solve for x
    x = 1,480,020.95/1,693.29
  6. Step 6: Final answer
    x = 874.05

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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.