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Finding the Fourth Proportional to 1,933.56, 2,888.56 and 1,234.66

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Solution

The fourth proportional to 1,933.56, 2,888.56 and 1,234.66 is: 1,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.56 : 2,888.56 = 1,234.66 : x
  2. Step 2: Convert to fraction form
    1,933.56/2,888.56 = 1,234.66/x
  3. Step 3: Cross multiply
    1,933.56x = 2,888.56 × 1,234.66
  4. Step 4: Simplify right side
    1,933.56x = 3,566,389.49
  5. Step 5: Solve for x
    x = 3,566,389.49/1,933.56
  6. Step 6: Final answer
    x = 1,844.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.