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Finding the Fourth Proportional to 70,412.55, 105,607.79 and 23,027.25

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Solution

The fourth proportional to 70,412.55, 105,607.79 and 23,027.25 is: 34,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,412.55 : 105,607.79 = 23,027.25 : x
  2. Step 2: Convert to fraction form
    70,412.55/105,607.79 = 23,027.25/x
  3. Step 3: Cross multiply
    70,412.55x = 105,607.79 × 23,027.25
  4. Step 4: Simplify right side
    70,412.55x = 2,431,856,867.14
  5. Step 5: Solve for x
    x = 2,431,856,867.14/70,412.55
  6. Step 6: Final answer
    x = 34,537.26

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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.