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Finding the Fourth Proportional to 3,582.43, 5,368.17 and 2,800.58

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Solution

The fourth proportional to 3,582.43, 5,368.17 and 2,800.58 is: 4,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.43 : 5,368.17 = 2,800.58 : x
  2. Step 2: Convert to fraction form
    3,582.43/5,368.17 = 2,800.58/x
  3. Step 3: Cross multiply
    3,582.43x = 5,368.17 × 2,800.58
  4. Step 4: Simplify right side
    3,582.43x = 15,033,973.20
  5. Step 5: Solve for x
    x = 15,033,973.20/3,582.43
  6. Step 6: Final answer
    x = 4,196.59

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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.