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Finding the Fourth Proportional to 48,762.58, 73,146.60 and 13,699.50

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Solution

The fourth proportional to 48,762.58, 73,146.60 and 13,699.50 is: 20,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,762.58 : 73,146.60 = 13,699.50 : x
  2. Step 2: Convert to fraction form
    48,762.58/73,146.60 = 13,699.50/x
  3. Step 3: Cross multiply
    48,762.58x = 73,146.60 × 13,699.50
  4. Step 4: Simplify right side
    48,762.58x = 1,002,071,846.70
  5. Step 5: Solve for x
    x = 1,002,071,846.70/48,762.58
  6. Step 6: Final answer
    x = 20,550.02

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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.