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Finding the Fourth Proportional to 41,915.94, 62,872.28 and 14,213.94

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Solution

The fourth proportional to 41,915.94, 62,872.28 and 14,213.94 is: 21,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,915.94 : 62,872.28 = 14,213.94 : x
  2. Step 2: Convert to fraction form
    41,915.94/62,872.28 = 14,213.94/x
  3. Step 3: Cross multiply
    41,915.94x = 62,872.28 × 14,213.94
  4. Step 4: Simplify right side
    41,915.94x = 893,662,815.58
  5. Step 5: Solve for x
    x = 893,662,815.58/41,915.94
  6. Step 6: Final answer
    x = 21,320.36

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1.5x scale

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.