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Finding the Fourth Proportional to 14,394.72, 21,592.09 and 5,623.49

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Solution

The fourth proportional to 14,394.72, 21,592.09 and 5,623.49 is: 8,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.72 : 21,592.09 = 5,623.49 : x
  2. Step 2: Convert to fraction form
    14,394.72/21,592.09 = 5,623.49/x
  3. Step 3: Cross multiply
    14,394.72x = 21,592.09 × 5,623.49
  4. Step 4: Simplify right side
    14,394.72x = 121,422,810.12
  5. Step 5: Solve for x
    x = 121,422,810.12/14,394.72
  6. Step 6: Final answer
    x = 8,435.23

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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.