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Finding the Fourth Proportional to 24,689.25, 34,071.23 and 13,511.25

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Solution

The fourth proportional to 24,689.25, 34,071.23 and 13,511.25 is: 18,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,689.25 : 34,071.23 = 13,511.25 : x
  2. Step 2: Convert to fraction form
    24,689.25/34,071.23 = 13,511.25/x
  3. Step 3: Cross multiply
    24,689.25x = 34,071.23 × 13,511.25
  4. Step 4: Simplify right side
    24,689.25x = 460,344,940.12
  5. Step 5: Solve for x
    x = 460,344,940.12/24,689.25
  6. Step 6: Final answer
    x = 18,645.56

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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.