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Finding the Fourth Proportional to 46,544.80, 69,817.20 and 28,830.10

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Solution

The fourth proportional to 46,544.80, 69,817.20 and 28,830.10 is: 43,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,544.80 : 69,817.20 = 28,830.10 : x
  2. Step 2: Convert to fraction form
    46,544.80/69,817.20 = 28,830.10/x
  3. Step 3: Cross multiply
    46,544.80x = 69,817.20 × 28,830.10
  4. Step 4: Simplify right side
    46,544.80x = 2,012,836,857.72
  5. Step 5: Solve for x
    x = 2,012,836,857.72/46,544.80
  6. Step 6: Final answer
    x = 43,245.15

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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.