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Finding the Fourth Proportional to 49,808.06, 74,723.01 and 14,750.45

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Solution

The fourth proportional to 49,808.06, 74,723.01 and 14,750.45 is: 22,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.06 : 74,723.01 = 14,750.45 : x
  2. Step 2: Convert to fraction form
    49,808.06/74,723.01 = 14,750.45/x
  3. Step 3: Cross multiply
    49,808.06x = 74,723.01 × 14,750.45
  4. Step 4: Simplify right side
    49,808.06x = 1,102,198,022.85
  5. Step 5: Solve for x
    x = 1,102,198,022.85/49,808.06
  6. Step 6: Final answer
    x = 22,128.91

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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.