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Finding the Fourth Proportional to 58,548.56, 87,822.68 and 45,240.89

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Solution

The fourth proportional to 58,548.56, 87,822.68 and 45,240.89 is: 67,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.56 : 87,822.68 = 45,240.89 : x
  2. Step 2: Convert to fraction form
    58,548.56/87,822.68 = 45,240.89/x
  3. Step 3: Cross multiply
    58,548.56x = 87,822.68 × 45,240.89
  4. Step 4: Simplify right side
    58,548.56x = 3,973,175,540.07
  5. Step 5: Solve for x
    x = 3,973,175,540.07/58,548.56
  6. Step 6: Final answer
    x = 67,861.21

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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.