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Finding the Fourth Proportional to 46,401.92, 69,602.80 and 16,819.68

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Solution

The fourth proportional to 46,401.92, 69,602.80 and 16,819.68 is: 25,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,401.92 : 69,602.80 = 16,819.68 : x
  2. Step 2: Convert to fraction form
    46,401.92/69,602.80 = 16,819.68/x
  3. Step 3: Cross multiply
    46,401.92x = 69,602.80 × 16,819.68
  4. Step 4: Simplify right side
    46,401.92x = 1,170,696,823.10
  5. Step 5: Solve for x
    x = 1,170,696,823.10/46,401.92
  6. Step 6: Final answer
    x = 25,229.49

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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.