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Finding the Fourth Proportional to 69,037.30, 103,490.34 and 44,007.10

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Solution

The fourth proportional to 69,037.30, 103,490.34 and 44,007.10 is: 65,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,037.30 : 103,490.34 = 44,007.10 : x
  2. Step 2: Convert to fraction form
    69,037.30/103,490.34 = 44,007.10/x
  3. Step 3: Cross multiply
    69,037.30x = 103,490.34 × 44,007.10
  4. Step 4: Simplify right side
    69,037.30x = 4,554,309,741.41
  5. Step 5: Solve for x
    x = 4,554,309,741.41/69,037.30
  6. Step 6: Final answer
    x = 65,968.83

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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.