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Finding the Fourth Proportional to 61,275.28, 91,855.46 and 23,859.36

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Solution

The fourth proportional to 61,275.28, 91,855.46 and 23,859.36 is: 35,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,275.28 : 91,855.46 = 23,859.36 : x
  2. Step 2: Convert to fraction form
    61,275.28/91,855.46 = 23,859.36/x
  3. Step 3: Cross multiply
    61,275.28x = 91,855.46 × 23,859.36
  4. Step 4: Simplify right side
    61,275.28x = 2,191,612,488.11
  5. Step 5: Solve for x
    x = 2,191,612,488.11/61,275.28
  6. Step 6: Final answer
    x = 35,766.67

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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.