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Finding the Fourth Proportional to 48,168.96, 72,238.80 and 18,584.48

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Solution

The fourth proportional to 48,168.96, 72,238.80 and 18,584.48 is: 27,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,168.96 : 72,238.80 = 18,584.48 : x
  2. Step 2: Convert to fraction form
    48,168.96/72,238.80 = 18,584.48/x
  3. Step 3: Cross multiply
    48,168.96x = 72,238.80 × 18,584.48
  4. Step 4: Simplify right side
    48,168.96x = 1,342,520,533.82
  5. Step 5: Solve for x
    x = 1,342,520,533.82/48,168.96
  6. Step 6: Final answer
    x = 27,871.07

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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.