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Finding the Fourth Proportional to 74,650.63, 111,991.74 and 24,727.90

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Solution

The fourth proportional to 74,650.63, 111,991.74 and 24,727.90 is: 37,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.63 : 111,991.74 = 24,727.90 : x
  2. Step 2: Convert to fraction form
    74,650.63/111,991.74 = 24,727.90/x
  3. Step 3: Cross multiply
    74,650.63x = 111,991.74 × 24,727.90
  4. Step 4: Simplify right side
    74,650.63x = 2,769,320,547.55
  5. Step 5: Solve for x
    x = 2,769,320,547.55/74,650.63
  6. Step 6: Final answer
    x = 37,097.08

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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.