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Finding the Fourth Proportional to 58,503.59, 87,768.59 and 18,525

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Solution

The fourth proportional to 58,503.59, 87,768.59 and 18,525 is: 27,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.59 : 87,768.59 = 18,525 : x
  2. Step 2: Convert to fraction form
    58,503.59/87,768.59 = 18,525/x
  3. Step 3: Cross multiply
    58,503.59x = 87,768.59 × 18,525
  4. Step 4: Simplify right side
    58,503.59x = 1,625,913,129.75
  5. Step 5: Solve for x
    x = 1,625,913,129.75/58,503.59
  6. Step 6: Final answer
    x = 27,791.68

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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.