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Finding the Fourth Proportional to 18,448.74, 27,656.10 and 7,352.76

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Solution

The fourth proportional to 18,448.74, 27,656.10 and 7,352.76 is: 11,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.74 : 27,656.10 = 7,352.76 : x
  2. Step 2: Convert to fraction form
    18,448.74/27,656.10 = 7,352.76/x
  3. Step 3: Cross multiply
    18,448.74x = 27,656.10 × 7,352.76
  4. Step 4: Simplify right side
    18,448.74x = 203,348,665.84
  5. Step 5: Solve for x
    x = 203,348,665.84/18,448.74
  6. Step 6: Final answer
    x = 11,022.36

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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.