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Finding the Fourth Proportional to 1,933.99, 2,899.76 and 701.38

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Solution

The fourth proportional to 1,933.99, 2,899.76 and 701.38 is: 1,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.99 : 2,899.76 = 701.38 : x
  2. Step 2: Convert to fraction form
    1,933.99/2,899.76 = 701.38/x
  3. Step 3: Cross multiply
    1,933.99x = 2,899.76 × 701.38
  4. Step 4: Simplify right side
    1,933.99x = 2,033,815.66
  5. Step 5: Solve for x
    x = 2,033,815.66/1,933.99
  6. Step 6: Final answer
    x = 1,051.62

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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.