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Finding the Fourth Proportional to 58,040.55, 87,072.98 and 22,980.51

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Solution

The fourth proportional to 58,040.55, 87,072.98 and 22,980.51 is: 34,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,040.55 : 87,072.98 = 22,980.51 : x
  2. Step 2: Convert to fraction form
    58,040.55/87,072.98 = 22,980.51/x
  3. Step 3: Cross multiply
    58,040.55x = 87,072.98 × 22,980.51
  4. Step 4: Simplify right side
    58,040.55x = 2,000,981,372.72
  5. Step 5: Solve for x
    x = 2,000,981,372.72/58,040.55
  6. Step 6: Final answer
    x = 34,475.58

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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.