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Finding the Fourth Proportional to 58,490.28, 87,771.42 and 27,328.68

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Solution

The fourth proportional to 58,490.28, 87,771.42 and 27,328.68 is: 41,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.28 : 87,771.42 = 27,328.68 : x
  2. Step 2: Convert to fraction form
    58,490.28/87,771.42 = 27,328.68/x
  3. Step 3: Cross multiply
    58,490.28x = 87,771.42 × 27,328.68
  4. Step 4: Simplify right side
    58,490.28x = 2,398,677,050.33
  5. Step 5: Solve for x
    x = 2,398,677,050.33/58,490.28
  6. Step 6: Final answer
    x = 41,009.84

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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.