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Finding the Fourth Proportional to 58,239.94, 87,405.27 and 40,594.90

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Solution

The fourth proportional to 58,239.94, 87,405.27 and 40,594.90 is: 60,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239.94 : 87,405.27 = 40,594.90 : x
  2. Step 2: Convert to fraction form
    58,239.94/87,405.27 = 40,594.90/x
  3. Step 3: Cross multiply
    58,239.94x = 87,405.27 × 40,594.90
  4. Step 4: Simplify right side
    58,239.94x = 3,548,208,195.12
  5. Step 5: Solve for x
    x = 3,548,208,195.12/58,239.94
  6. Step 6: Final answer
    x = 60,923.97

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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.