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Finding the Fourth Proportional to 50,604.68, 75,866.02 and 21,044.64

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Solution

The fourth proportional to 50,604.68, 75,866.02 and 21,044.64 is: 31,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604.68 : 75,866.02 = 21,044.64 : x
  2. Step 2: Convert to fraction form
    50,604.68/75,866.02 = 21,044.64/x
  3. Step 3: Cross multiply
    50,604.68x = 75,866.02 × 21,044.64
  4. Step 4: Simplify right side
    50,604.68x = 1,596,573,311.02
  5. Step 5: Solve for x
    x = 1,596,573,311.02/50,604.68
  6. Step 6: Final answer
    x = 31,549.91

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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.