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Finding the Fourth Proportional to 17,515.58, 24,170.78 and 10,347.82

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Solution

The fourth proportional to 17,515.58, 24,170.78 and 10,347.82 is: 14,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.58 : 24,170.78 = 10,347.82 : x
  2. Step 2: Convert to fraction form
    17,515.58/24,170.78 = 10,347.82/x
  3. Step 3: Cross multiply
    17,515.58x = 24,170.78 × 10,347.82
  4. Step 4: Simplify right side
    17,515.58x = 250,114,880.70
  5. Step 5: Solve for x
    x = 250,114,880.70/17,515.58
  6. Step 6: Final answer
    x = 14,279.57

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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.