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Finding the Fourth Proportional to 50,699.87, 69,968.45 and 29,192.81

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Solution

The fourth proportional to 50,699.87, 69,968.45 and 29,192.81 is: 40,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.87 : 69,968.45 = 29,192.81 : x
  2. Step 2: Convert to fraction form
    50,699.87/69,968.45 = 29,192.81/x
  3. Step 3: Cross multiply
    50,699.87x = 69,968.45 × 29,192.81
  4. Step 4: Simplify right side
    50,699.87x = 2,042,575,666.84
  5. Step 5: Solve for x
    x = 2,042,575,666.84/50,699.87
  6. Step 6: Final answer
    x = 40,287.59

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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.