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Finding the Fourth Proportional to 6,401.82, 8,834.55 and 4,045.02

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Solution

The fourth proportional to 6,401.82, 8,834.55 and 4,045.02 is: 5,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.82 : 8,834.55 = 4,045.02 : x
  2. Step 2: Convert to fraction form
    6,401.82/8,834.55 = 4,045.02/x
  3. Step 3: Cross multiply
    6,401.82x = 8,834.55 × 4,045.02
  4. Step 4: Simplify right side
    6,401.82x = 35,735,931.44
  5. Step 5: Solve for x
    x = 35,735,931.44/6,401.82
  6. Step 6: Final answer
    x = 5,582.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.