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Finding the Fourth Proportional to 14,548.71, 21,832.63 and 7,979.51

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Solution

The fourth proportional to 14,548.71, 21,832.63 and 7,979.51 is: 11,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.71 : 21,832.63 = 7,979.51 : x
  2. Step 2: Convert to fraction form
    14,548.71/21,832.63 = 7,979.51/x
  3. Step 3: Cross multiply
    14,548.71x = 21,832.63 × 7,979.51
  4. Step 4: Simplify right side
    14,548.71x = 174,213,580.25
  5. Step 5: Solve for x
    x = 174,213,580.25/14,548.71
  6. Step 6: Final answer
    x = 11,974.50

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Similar ratio
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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.