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Finding the Fourth Proportional to 52,676.80, 79,003.42 and 15,228.54

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Solution

The fourth proportional to 52,676.80, 79,003.42 and 15,228.54 is: 22,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,676.80 : 79,003.42 = 15,228.54 : x
  2. Step 2: Convert to fraction form
    52,676.80/79,003.42 = 15,228.54/x
  3. Step 3: Cross multiply
    52,676.80x = 79,003.42 × 15,228.54
  4. Step 4: Simplify right side
    52,676.80x = 1,203,106,703.54
  5. Step 5: Solve for x
    x = 1,203,106,703.54/52,676.80
  6. Step 6: Final answer
    x = 22,839.40

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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.