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Finding the Fourth Proportional to 1,933.43, 2,898.41 and 700.55

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Solution

The fourth proportional to 1,933.43, 2,898.41 and 700.55 is: 1,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.43 : 2,898.41 = 700.55 : x
  2. Step 2: Convert to fraction form
    1,933.43/2,898.41 = 700.55/x
  3. Step 3: Cross multiply
    1,933.43x = 2,898.41 × 700.55
  4. Step 4: Simplify right side
    1,933.43x = 2,030,463.13
  5. Step 5: Solve for x
    x = 2,030,463.13/1,933.43
  6. Step 6: Final answer
    x = 1,050.19

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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.