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Finding the Fourth Proportional to 9,123.42, 13,685.04 and 2,967.42

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Solution

The fourth proportional to 9,123.42, 13,685.04 and 2,967.42 is: 4,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.42 : 13,685.04 = 2,967.42 : x
  2. Step 2: Convert to fraction form
    9,123.42/13,685.04 = 2,967.42/x
  3. Step 3: Cross multiply
    9,123.42x = 13,685.04 × 2,967.42
  4. Step 4: Simplify right side
    9,123.42x = 40,609,261.40
  5. Step 5: Solve for x
    x = 40,609,261.40/9,123.42
  6. Step 6: Final answer
    x = 4,451.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.