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Finding the Fourth Proportional to 18,503.37, 27,734.24 and 9,123.53

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Solution

The fourth proportional to 18,503.37, 27,734.24 and 9,123.53 is: 13,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.37 : 27,734.24 = 9,123.53 : x
  2. Step 2: Convert to fraction form
    18,503.37/27,734.24 = 9,123.53/x
  3. Step 3: Cross multiply
    18,503.37x = 27,734.24 × 9,123.53
  4. Step 4: Simplify right side
    18,503.37x = 253,034,262.81
  5. Step 5: Solve for x
    x = 253,034,262.81/18,503.37
  6. Step 6: Final answer
    x = 13,675.04

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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.