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Finding the Fourth Proportional to 5,583,670.60, 8,375,505.90 and 1,993,491.40

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Solution

The fourth proportional to 5,583,670.60, 8,375,505.90 and 1,993,491.40 is: 2,990,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583,670.60 : 8,375,505.90 = 1,993,491.40 : x
  2. Step 2: Convert to fraction form
    5,583,670.60/8,375,505.90 = 1,993,491.40/x
  3. Step 3: Cross multiply
    5,583,670.60x = 8,375,505.90 × 1,993,491.40
  4. Step 4: Simplify right side
    5,583,670.60x = 16,696,498,982,299.26
  5. Step 5: Solve for x
    x = 16,696,498,982,299.26/5,583,670.60
  6. Step 6: Final answer
    x = 2,990,237.10

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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.