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Finding the Fourth Proportional to 48,924.64, 73,396.44 and 20,844.16

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Solution

The fourth proportional to 48,924.64, 73,396.44 and 20,844.16 is: 31,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,924.64 : 73,396.44 = 20,844.16 : x
  2. Step 2: Convert to fraction form
    48,924.64/73,396.44 = 20,844.16/x
  3. Step 3: Cross multiply
    48,924.64x = 73,396.44 × 20,844.16
  4. Step 4: Simplify right side
    48,924.64x = 1,529,887,138.79
  5. Step 5: Solve for x
    x = 1,529,887,138.79/48,924.64
  6. Step 6: Final answer
    x = 31,270.28

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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.