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Finding the Fourth Proportional to 52,728.74, 79,093.41 and 21,563.99

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Solution

The fourth proportional to 52,728.74, 79,093.41 and 21,563.99 is: 32,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.74 : 79,093.41 = 21,563.99 : x
  2. Step 2: Convert to fraction form
    52,728.74/79,093.41 = 21,563.99/x
  3. Step 3: Cross multiply
    52,728.74x = 79,093.41 × 21,563.99
  4. Step 4: Simplify right side
    52,728.74x = 1,705,569,443.87
  5. Step 5: Solve for x
    x = 1,705,569,443.87/52,728.74
  6. Step 6: Final answer
    x = 32,346.11

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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.