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Finding the Fourth Proportional to 5,582.68, 8,368.66 and 2,071.74

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Solution

The fourth proportional to 5,582.68, 8,368.66 and 2,071.74 is: 3,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.68 : 8,368.66 = 2,071.74 : x
  2. Step 2: Convert to fraction form
    5,582.68/8,368.66 = 2,071.74/x
  3. Step 3: Cross multiply
    5,582.68x = 8,368.66 × 2,071.74
  4. Step 4: Simplify right side
    5,582.68x = 17,337,687.67
  5. Step 5: Solve for x
    x = 17,337,687.67/5,582.68
  6. Step 6: Final answer
    x = 3,105.62

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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.