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Finding the Fourth Proportional to 19,350, 29,025.36 and 5,499.36

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Solution

The fourth proportional to 19,350, 29,025.36 and 5,499.36 is: 8,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350 : 29,025.36 = 5,499.36 : x
  2. Step 2: Convert to fraction form
    19,350/29,025.36 = 5,499.36/x
  3. Step 3: Cross multiply
    19,350x = 29,025.36 × 5,499.36
  4. Step 4: Simplify right side
    19,350x = 159,620,903.77
  5. Step 5: Solve for x
    x = 159,620,903.77/19,350
  6. Step 6: Final answer
    x = 8,249.14

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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.