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Finding the Fourth Proportional to 47,560, 71,318.98 and 14,273.69

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Solution

The fourth proportional to 47,560, 71,318.98 and 14,273.69 is: 21,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,560 : 71,318.98 = 14,273.69 : x
  2. Step 2: Convert to fraction form
    47,560/71,318.98 = 14,273.69/x
  3. Step 3: Cross multiply
    47,560x = 71,318.98 × 14,273.69
  4. Step 4: Simplify right side
    47,560x = 1,017,985,011.64
  5. Step 5: Solve for x
    x = 1,017,985,011.64/47,560
  6. Step 6: Final answer
    x = 21,404.23

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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.