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Finding the Fourth Proportional to 33,579, 50,368.20 and 12,518.33

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Solution

The fourth proportional to 33,579, 50,368.20 and 12,518.33 is: 18,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,579 : 50,368.20 = 12,518.33 : x
  2. Step 2: Convert to fraction form
    33,579/50,368.20 = 12,518.33/x
  3. Step 3: Cross multiply
    33,579x = 50,368.20 × 12,518.33
  4. Step 4: Simplify right side
    33,579x = 630,525,497.27
  5. Step 5: Solve for x
    x = 630,525,497.27/33,579
  6. Step 6: Final answer
    x = 18,777.38

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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.