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Finding the Fourth Proportional to 1,677.92, 2,516.90 and 582.32

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Solution

The fourth proportional to 1,677.92, 2,516.90 and 582.32 is: 873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.92 : 2,516.90 = 582.32 : x
  2. Step 2: Convert to fraction form
    1,677.92/2,516.90 = 582.32/x
  3. Step 3: Cross multiply
    1,677.92x = 2,516.90 × 582.32
  4. Step 4: Simplify right side
    1,677.92x = 1,465,625.71
  5. Step 5: Solve for x
    x = 1,465,625.71/1,677.92
  6. Step 6: Final answer
    x = 873.48

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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.