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Finding the Fourth Proportional to 58,500.48, 87,831.36 and 49,791.36

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Solution

The fourth proportional to 58,500.48, 87,831.36 and 49,791.36 is: 74,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,500.48 : 87,831.36 = 49,791.36 : x
  2. Step 2: Convert to fraction form
    58,500.48/87,831.36 = 49,791.36/x
  3. Step 3: Cross multiply
    58,500.48x = 87,831.36 × 49,791.36
  4. Step 4: Simplify right side
    58,500.48x = 4,373,242,865.05
  5. Step 5: Solve for x
    x = 4,373,242,865.05/58,500.48
  6. Step 6: Final answer
    x = 74,755.67

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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.