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Finding the Fourth Proportional to 46,260.45, 69,390.45 and 11,200.11

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Solution

The fourth proportional to 46,260.45, 69,390.45 and 11,200.11 is: 16,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,260.45 : 69,390.45 = 11,200.11 : x
  2. Step 2: Convert to fraction form
    46,260.45/69,390.45 = 11,200.11/x
  3. Step 3: Cross multiply
    46,260.45x = 69,390.45 × 11,200.11
  4. Step 4: Simplify right side
    46,260.45x = 777,180,672.95
  5. Step 5: Solve for x
    x = 777,180,672.95/46,260.45
  6. Step 6: Final answer
    x = 16,800.11

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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.