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Finding the Fourth Proportional to 18,895.58, 28,324.56 and 9,023.31

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Solution

The fourth proportional to 18,895.58, 28,324.56 and 9,023.31 is: 13,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.58 : 28,324.56 = 9,023.31 : x
  2. Step 2: Convert to fraction form
    18,895.58/28,324.56 = 9,023.31/x
  3. Step 3: Cross multiply
    18,895.58x = 28,324.56 × 9,023.31
  4. Step 4: Simplify right side
    18,895.58x = 255,581,311.19
  5. Step 5: Solve for x
    x = 255,581,311.19/18,895.58
  6. Step 6: Final answer
    x = 13,525.99

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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.