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Finding the Fourth Proportional to 56,000.60, 83,976.60 and 18,546.20

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Solution

The fourth proportional to 56,000.60, 83,976.60 and 18,546.20 is: 27,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.60 : 83,976.60 = 18,546.20 : x
  2. Step 2: Convert to fraction form
    56,000.60/83,976.60 = 18,546.20/x
  3. Step 3: Cross multiply
    56,000.60x = 83,976.60 × 18,546.20
  4. Step 4: Simplify right side
    56,000.60x = 1,557,446,818.92
  5. Step 5: Solve for x
    x = 1,557,446,818.92/56,000.60
  6. Step 6: Final answer
    x = 27,811.25

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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.