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Finding the Fourth Proportional to 18,495.58, 27,732.26 and 7,237.50

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Solution

The fourth proportional to 18,495.58, 27,732.26 and 7,237.50 is: 10,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.58 : 27,732.26 = 7,237.50 : x
  2. Step 2: Convert to fraction form
    18,495.58/27,732.26 = 7,237.50/x
  3. Step 3: Cross multiply
    18,495.58x = 27,732.26 × 7,237.50
  4. Step 4: Simplify right side
    18,495.58x = 200,712,231.75
  5. Step 5: Solve for x
    x = 200,712,231.75/18,495.58
  6. Step 6: Final answer
    x = 10,851.90

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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.