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Finding the Fourth Proportional to 48,586.50, 72,879.76 and 13,527.08

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Solution

The fourth proportional to 48,586.50, 72,879.76 and 13,527.08 is: 20,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,586.50 : 72,879.76 = 13,527.08 : x
  2. Step 2: Convert to fraction form
    48,586.50/72,879.76 = 13,527.08/x
  3. Step 3: Cross multiply
    48,586.50x = 72,879.76 × 13,527.08
  4. Step 4: Simplify right side
    48,586.50x = 985,850,343.90
  5. Step 5: Solve for x
    x = 985,850,343.90/48,586.50
  6. Step 6: Final answer
    x = 20,290.62

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1.5x scale

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.