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Finding the Fourth Proportional to 48,698.36, 72,905.14 and 44,029.12

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Solution

The fourth proportional to 48,698.36, 72,905.14 and 44,029.12 is: 65,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,698.36 : 72,905.14 = 44,029.12 : x
  2. Step 2: Convert to fraction form
    48,698.36/72,905.14 = 44,029.12/x
  3. Step 3: Cross multiply
    48,698.36x = 72,905.14 × 44,029.12
  4. Step 4: Simplify right side
    48,698.36x = 3,209,949,157.68
  5. Step 5: Solve for x
    x = 3,209,949,157.68/48,698.36
  6. Step 6: Final answer
    x = 65,914.93

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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.