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Finding the Fourth Proportional to 10,874,800.80, 16,311,682.80 and 3,685,629.60

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Solution

The fourth proportional to 10,874,800.80, 16,311,682.80 and 3,685,629.60 is: 5,528,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874,800.80 : 16,311,682.80 = 3,685,629.60 : x
  2. Step 2: Convert to fraction form
    10,874,800.80/16,311,682.80 = 3,685,629.60/x
  3. Step 3: Cross multiply
    10,874,800.80x = 16,311,682.80 × 3,685,629.60
  4. Step 4: Simplify right side
    10,874,800.80x = 60,118,820,953,490.88
  5. Step 5: Solve for x
    x = 60,118,820,953,490.88/10,874,800.80
  6. Step 6: Final answer
    x = 5,528,268.71

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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.