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Finding the Fourth Proportional to 48,889.76, 73,334.92 and 17,724.20

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Solution

The fourth proportional to 48,889.76, 73,334.92 and 17,724.20 is: 26,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,889.76 : 73,334.92 = 17,724.20 : x
  2. Step 2: Convert to fraction form
    48,889.76/73,334.92 = 17,724.20/x
  3. Step 3: Cross multiply
    48,889.76x = 73,334.92 × 17,724.20
  4. Step 4: Simplify right side
    48,889.76x = 1,299,802,789.06
  5. Step 5: Solve for x
    x = 1,299,802,789.06/48,889.76
  6. Step 6: Final answer
    x = 26,586.40

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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.