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Finding the Fourth Proportional to 18,065.31, 24,930.48 and 10,895.19

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Solution

The fourth proportional to 18,065.31, 24,930.48 and 10,895.19 is: 15,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.31 : 24,930.48 = 10,895.19 : x
  2. Step 2: Convert to fraction form
    18,065.31/24,930.48 = 10,895.19/x
  3. Step 3: Cross multiply
    18,065.31x = 24,930.48 × 10,895.19
  4. Step 4: Simplify right side
    18,065.31x = 271,622,316.39
  5. Step 5: Solve for x
    x = 271,622,316.39/18,065.31
  6. Step 6: Final answer
    x = 15,035.57

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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.