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Finding the Fourth Proportional to 17,967.75, 24,795.50 and 10,515.75

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Solution

The fourth proportional to 17,967.75, 24,795.50 and 10,515.75 is: 14,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.75 : 24,795.50 = 10,515.75 : x
  2. Step 2: Convert to fraction form
    17,967.75/24,795.50 = 10,515.75/x
  3. Step 3: Cross multiply
    17,967.75x = 24,795.50 × 10,515.75
  4. Step 4: Simplify right side
    17,967.75x = 260,743,279.13
  5. Step 5: Solve for x
    x = 260,743,279.13/17,967.75
  6. Step 6: Final answer
    x = 14,511.74

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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.