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Finding the Fourth Proportional to 52,703.20, 78,982.80 and 33,925.60

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Solution

The fourth proportional to 52,703.20, 78,982.80 and 33,925.60 is: 50,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.20 : 78,982.80 = 33,925.60 : x
  2. Step 2: Convert to fraction form
    52,703.20/78,982.80 = 33,925.60/x
  3. Step 3: Cross multiply
    52,703.20x = 78,982.80 × 33,925.60
  4. Step 4: Simplify right side
    52,703.20x = 2,679,538,879.68
  5. Step 5: Solve for x
    x = 2,679,538,879.68/52,703.20
  6. Step 6: Final answer
    x = 50,842.05

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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.