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Finding the Fourth Proportional to 50,107.63, 69,146.50 and 29,975.64

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Solution

The fourth proportional to 50,107.63, 69,146.50 and 29,975.64 is: 41,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,107.63 : 69,146.50 = 29,975.64 : x
  2. Step 2: Convert to fraction form
    50,107.63/69,146.50 = 29,975.64/x
  3. Step 3: Cross multiply
    50,107.63x = 69,146.50 × 29,975.64
  4. Step 4: Simplify right side
    50,107.63x = 2,072,710,441.38
  5. Step 5: Solve for x
    x = 2,072,710,441.38/50,107.63
  6. Step 6: Final answer
    x = 41,365.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.