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Finding the Fourth Proportional to 14,452.23, 21,678.03 and 6,661.05

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Solution

The fourth proportional to 14,452.23, 21,678.03 and 6,661.05 is: 9,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.23 : 21,678.03 = 6,661.05 : x
  2. Step 2: Convert to fraction form
    14,452.23/21,678.03 = 6,661.05/x
  3. Step 3: Cross multiply
    14,452.23x = 21,678.03 × 6,661.05
  4. Step 4: Simplify right side
    14,452.23x = 144,398,441.73
  5. Step 5: Solve for x
    x = 144,398,441.73/14,452.23
  6. Step 6: Final answer
    x = 9,991.43

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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.