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Finding the Fourth Proportional to 58,293, 87,440.28 and 18,310.68

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Solution

The fourth proportional to 58,293, 87,440.28 and 18,310.68 is: 27,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,293 : 87,440.28 = 18,310.68 : x
  2. Step 2: Convert to fraction form
    58,293/87,440.28 = 18,310.68/x
  3. Step 3: Cross multiply
    58,293x = 87,440.28 × 18,310.68
  4. Step 4: Simplify right side
    58,293x = 1,601,090,986.19
  5. Step 5: Solve for x
    x = 1,601,090,986.19/58,293
  6. Step 6: Final answer
    x = 27,466.27

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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.