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Finding the Fourth Proportional to 47,941.14, 71,915.04 and 14,658.65

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Solution

The fourth proportional to 47,941.14, 71,915.04 and 14,658.65 is: 21,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.14 : 71,915.04 = 14,658.65 : x
  2. Step 2: Convert to fraction form
    47,941.14/71,915.04 = 14,658.65/x
  3. Step 3: Cross multiply
    47,941.14x = 71,915.04 × 14,658.65
  4. Step 4: Simplify right side
    47,941.14x = 1,054,177,041.52
  5. Step 5: Solve for x
    x = 1,054,177,041.52/47,941.14
  6. Step 6: Final answer
    x = 21,988.99

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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.