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Finding the Fourth Proportional to 60,412.56, 90,631.35 and 18,294.96

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Solution

The fourth proportional to 60,412.56, 90,631.35 and 18,294.96 is: 27,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,412.56 : 90,631.35 = 18,294.96 : x
  2. Step 2: Convert to fraction form
    60,412.56/90,631.35 = 18,294.96/x
  3. Step 3: Cross multiply
    60,412.56x = 90,631.35 × 18,294.96
  4. Step 4: Simplify right side
    60,412.56x = 1,658,096,923.00
  5. Step 5: Solve for x
    x = 1,658,096,923.00/60,412.56
  6. Step 6: Final answer
    x = 27,446.23

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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.