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Finding the Fourth Proportional to 58,271.01, 87,393.87 and 20,833.67

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Solution

The fourth proportional to 58,271.01, 87,393.87 and 20,833.67 is: 31,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,271.01 : 87,393.87 = 20,833.67 : x
  2. Step 2: Convert to fraction form
    58,271.01/87,393.87 = 20,833.67/x
  3. Step 3: Cross multiply
    58,271.01x = 87,393.87 × 20,833.67
  4. Step 4: Simplify right side
    58,271.01x = 1,820,735,266.09
  5. Step 5: Solve for x
    x = 1,820,735,266.09/58,271.01
  6. Step 6: Final answer
    x = 31,245.99

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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.