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Finding the Fourth Proportional to 48,859.70, 73,289.55 and 11,923.70

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Solution

The fourth proportional to 48,859.70, 73,289.55 and 11,923.70 is: 17,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.70 : 73,289.55 = 11,923.70 : x
  2. Step 2: Convert to fraction form
    48,859.70/73,289.55 = 11,923.70/x
  3. Step 3: Cross multiply
    48,859.70x = 73,289.55 × 11,923.70
  4. Step 4: Simplify right side
    48,859.70x = 873,882,607.34
  5. Step 5: Solve for x
    x = 873,882,607.34/48,859.70
  6. Step 6: Final answer
    x = 17,885.55

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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.