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Finding the Fourth Proportional to 47,359.70, 71,051.25 and 14,079.63

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Solution

The fourth proportional to 47,359.70, 71,051.25 and 14,079.63 is: 21,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,359.70 : 71,051.25 = 14,079.63 : x
  2. Step 2: Convert to fraction form
    47,359.70/71,051.25 = 14,079.63/x
  3. Step 3: Cross multiply
    47,359.70x = 71,051.25 × 14,079.63
  4. Step 4: Simplify right side
    47,359.70x = 1,000,375,311.04
  5. Step 5: Solve for x
    x = 1,000,375,311.04/47,359.70
  6. Step 6: Final answer
    x = 21,122.92

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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.