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Finding the Fourth Proportional to 18,377.34, 27,567.96 and 7,848.42

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Solution

The fourth proportional to 18,377.34, 27,567.96 and 7,848.42 is: 11,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.34 : 27,567.96 = 7,848.42 : x
  2. Step 2: Convert to fraction form
    18,377.34/27,567.96 = 7,848.42/x
  3. Step 3: Cross multiply
    18,377.34x = 27,567.96 × 7,848.42
  4. Step 4: Simplify right side
    18,377.34x = 216,364,928.62
  5. Step 5: Solve for x
    x = 216,364,928.62/18,377.34
  6. Step 6: Final answer
    x = 11,773.46

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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.