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Finding the Fourth Proportional to 18,450.68, 25,462.50 and 10,494.05

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Solution

The fourth proportional to 18,450.68, 25,462.50 and 10,494.05 is: 14,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.68 : 25,462.50 = 10,494.05 : x
  2. Step 2: Convert to fraction form
    18,450.68/25,462.50 = 10,494.05/x
  3. Step 3: Cross multiply
    18,450.68x = 25,462.50 × 10,494.05
  4. Step 4: Simplify right side
    18,450.68x = 267,204,748.13
  5. Step 5: Solve for x
    x = 267,204,748.13/18,450.68
  6. Step 6: Final answer
    x = 14,482.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.