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Finding the Fourth Proportional to 18,895.70, 28,324.74 and 9,023.44

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Solution

The fourth proportional to 18,895.70, 28,324.74 and 9,023.44 is: 13,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.70 : 28,324.74 = 9,023.44 : x
  2. Step 2: Convert to fraction form
    18,895.70/28,324.74 = 9,023.44/x
  3. Step 3: Cross multiply
    18,895.70x = 28,324.74 × 9,023.44
  4. Step 4: Simplify right side
    18,895.70x = 255,586,554.93
  5. Step 5: Solve for x
    x = 255,586,554.93/18,895.70
  6. Step 6: Final answer
    x = 13,526.17

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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.