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Finding the Fourth Proportional to 49,813.44, 74,700.72 and 21,742.08

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Solution

The fourth proportional to 49,813.44, 74,700.72 and 21,742.08 is: 32,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,813.44 : 74,700.72 = 21,742.08 : x
  2. Step 2: Convert to fraction form
    49,813.44/74,700.72 = 21,742.08/x
  3. Step 3: Cross multiply
    49,813.44x = 74,700.72 × 21,742.08
  4. Step 4: Simplify right side
    49,813.44x = 1,624,149,030.30
  5. Step 5: Solve for x
    x = 1,624,149,030.30/49,813.44
  6. Step 6: Final answer
    x = 32,604.64

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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.