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Finding the Fourth Proportional to 48,470.57, 72,744.74 and 25,103.69

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Solution

The fourth proportional to 48,470.57, 72,744.74 and 25,103.69 is: 37,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.57 : 72,744.74 = 25,103.69 : x
  2. Step 2: Convert to fraction form
    48,470.57/72,744.74 = 25,103.69/x
  3. Step 3: Cross multiply
    48,470.57x = 72,744.74 × 25,103.69
  4. Step 4: Simplify right side
    48,470.57x = 1,826,161,276.57
  5. Step 5: Solve for x
    x = 1,826,161,276.57/48,470.57
  6. Step 6: Final answer
    x = 37,675.67

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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.