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Finding the Fourth Proportional to 58,771.38, 87,962.06 and 53,518.48

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Solution

The fourth proportional to 58,771.38, 87,962.06 and 53,518.48 is: 80,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771.38 : 87,962.06 = 53,518.48 : x
  2. Step 2: Convert to fraction form
    58,771.38/87,962.06 = 53,518.48/x
  3. Step 3: Cross multiply
    58,771.38x = 87,962.06 × 53,518.48
  4. Step 4: Simplify right side
    58,771.38x = 4,707,595,748.87
  5. Step 5: Solve for x
    x = 4,707,595,748.87/58,771.38
  6. Step 6: Final answer
    x = 80,100.14

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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.