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Finding the Fourth Proportional to 46,251.48, 69,364.62 and 12,969.48

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Solution

The fourth proportional to 46,251.48, 69,364.62 and 12,969.48 is: 19,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,251.48 : 69,364.62 = 12,969.48 : x
  2. Step 2: Convert to fraction form
    46,251.48/69,364.62 = 12,969.48/x
  3. Step 3: Cross multiply
    46,251.48x = 69,364.62 × 12,969.48
  4. Step 4: Simplify right side
    46,251.48x = 899,623,051.80
  5. Step 5: Solve for x
    x = 899,623,051.80/46,251.48
  6. Step 6: Final answer
    x = 19,450.69

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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.