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Finding the Fourth Proportional to 5,491,483.76, 7,569,847.08 and 3,855,301.04

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Solution

The fourth proportional to 5,491,483.76, 7,569,847.08 and 3,855,301.04 is: 5,314,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491,483.76 : 7,569,847.08 = 3,855,301.04 : x
  2. Step 2: Convert to fraction form
    5,491,483.76/7,569,847.08 = 3,855,301.04/x
  3. Step 3: Cross multiply
    5,491,483.76x = 7,569,847.08 × 3,855,301.04
  4. Step 4: Simplify right side
    5,491,483.76x = 29,184,039,320,164.96
  5. Step 5: Solve for x
    x = 29,184,039,320,164.96/5,491,483.76
  6. Step 6: Final answer
    x = 5,314,417.85

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Why These Related Problems?

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