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Finding the Fourth Proportional to 48,609.64, 72,929.58 and 41,267.80

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Solution

The fourth proportional to 48,609.64, 72,929.58 and 41,267.80 is: 61,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.64 : 72,929.58 = 41,267.80 : x
  2. Step 2: Convert to fraction form
    48,609.64/72,929.58 = 41,267.80/x
  3. Step 3: Cross multiply
    48,609.64x = 72,929.58 × 41,267.80
  4. Step 4: Simplify right side
    48,609.64x = 3,009,643,321.52
  5. Step 5: Solve for x
    x = 3,009,643,321.52/48,609.64
  6. Step 6: Final answer
    x = 61,914.54

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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.