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Finding the Fourth Proportional to 18,220.54, 27,324.68 and 6,973.25

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Solution

The fourth proportional to 18,220.54, 27,324.68 and 6,973.25 is: 10,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.54 : 27,324.68 = 6,973.25 : x
  2. Step 2: Convert to fraction form
    18,220.54/27,324.68 = 6,973.25/x
  3. Step 3: Cross multiply
    18,220.54x = 27,324.68 × 6,973.25
  4. Step 4: Simplify right side
    18,220.54x = 190,541,824.81
  5. Step 5: Solve for x
    x = 190,541,824.81/18,220.54
  6. Step 6: Final answer
    x = 10,457.53

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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.