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Finding the Fourth Proportional to 49,465.99, 74,201.06 and 14,405.65

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Solution

The fourth proportional to 49,465.99, 74,201.06 and 14,405.65 is: 21,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,465.99 : 74,201.06 = 14,405.65 : x
  2. Step 2: Convert to fraction form
    49,465.99/74,201.06 = 14,405.65/x
  3. Step 3: Cross multiply
    49,465.99x = 74,201.06 × 14,405.65
  4. Step 4: Simplify right side
    49,465.99x = 1,068,914,350.50
  5. Step 5: Solve for x
    x = 1,068,914,350.50/49,465.99
  6. Step 6: Final answer
    x = 21,609.08

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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.