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Finding the Fourth Proportional to 46,473.69, 69,710.39 and 13,193.78

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Solution

The fourth proportional to 46,473.69, 69,710.39 and 13,193.78 is: 19,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,473.69 : 69,710.39 = 13,193.78 : x
  2. Step 2: Convert to fraction form
    46,473.69/69,710.39 = 13,193.78/x
  3. Step 3: Cross multiply
    46,473.69x = 69,710.39 × 13,193.78
  4. Step 4: Simplify right side
    46,473.69x = 919,743,134.85
  5. Step 5: Solve for x
    x = 919,743,134.85/46,473.69
  6. Step 6: Final answer
    x = 19,790.62

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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.