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Finding the Fourth Proportional to 33,376, 46,059.60 and 18,472

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Solution

The fourth proportional to 33,376, 46,059.60 and 18,472 is: 25,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,376 : 46,059.60 = 18,472 : x
  2. Step 2: Convert to fraction form
    33,376/46,059.60 = 18,472/x
  3. Step 3: Cross multiply
    33,376x = 46,059.60 × 18,472
  4. Step 4: Simplify right side
    33,376x = 850,812,931.20
  5. Step 5: Solve for x
    x = 850,812,931.20/33,376
  6. Step 6: Final answer
    x = 25,491.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.