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Finding the Fourth Proportional to 18,832.77, 28,241.93 and 6,349.42

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Solution

The fourth proportional to 18,832.77, 28,241.93 and 6,349.42 is: 9,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.77 : 28,241.93 = 6,349.42 : x
  2. Step 2: Convert to fraction form
    18,832.77/28,241.93 = 6,349.42/x
  3. Step 3: Cross multiply
    18,832.77x = 28,241.93 × 6,349.42
  4. Step 4: Simplify right side
    18,832.77x = 179,319,926.36
  5. Step 5: Solve for x
    x = 179,319,926.36/18,832.77
  6. Step 6: Final answer
    x = 9,521.70

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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.