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Finding the Fourth Proportional to 3,393.22, 5,089.15 and 927.45

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Solution

The fourth proportional to 3,393.22, 5,089.15 and 927.45 is: 1,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.22 : 5,089.15 = 927.45 : x
  2. Step 2: Convert to fraction form
    3,393.22/5,089.15 = 927.45/x
  3. Step 3: Cross multiply
    3,393.22x = 5,089.15 × 927.45
  4. Step 4: Simplify right side
    3,393.22x = 4,719,927.53
  5. Step 5: Solve for x
    x = 4,719,927.53/3,393.22
  6. Step 6: Final answer
    x = 1,390.99

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1.5x scale

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.