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Finding the Fourth Proportional to 50,091, 75,174.60 and 18,530.94

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Solution

The fourth proportional to 50,091, 75,174.60 and 18,530.94 is: 27,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,091 : 75,174.60 = 18,530.94 : x
  2. Step 2: Convert to fraction form
    50,091/75,174.60 = 18,530.94/x
  3. Step 3: Cross multiply
    50,091x = 75,174.60 × 18,530.94
  4. Step 4: Simplify right side
    50,091x = 1,393,056,002.12
  5. Step 5: Solve for x
    x = 1,393,056,002.12/50,091
  6. Step 6: Final answer
    x = 27,810.50

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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.