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Finding the Fourth Proportional to 52,810.80, 79,162.89 and 33,103.20

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Solution

The fourth proportional to 52,810.80, 79,162.89 and 33,103.20 is: 49,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.80 : 79,162.89 = 33,103.20 : x
  2. Step 2: Convert to fraction form
    52,810.80/79,162.89 = 33,103.20/x
  3. Step 3: Cross multiply
    52,810.80x = 79,162.89 × 33,103.20
  4. Step 4: Simplify right side
    52,810.80x = 2,620,544,980.25
  5. Step 5: Solve for x
    x = 2,620,544,980.25/52,810.80
  6. Step 6: Final answer
    x = 49,621.38

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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.