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Finding the Fourth Proportional to 52,301.20, 78,451.80 and 36,554.80

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Solution

The fourth proportional to 52,301.20, 78,451.80 and 36,554.80 is: 54,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.20 : 78,451.80 = 36,554.80 : x
  2. Step 2: Convert to fraction form
    52,301.20/78,451.80 = 36,554.80/x
  3. Step 3: Cross multiply
    52,301.20x = 78,451.80 × 36,554.80
  4. Step 4: Simplify right side
    52,301.20x = 2,867,789,858.64
  5. Step 5: Solve for x
    x = 2,867,789,858.64/52,301.20
  6. Step 6: Final answer
    x = 54,832.20

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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.