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Finding the Fourth Proportional to 17,627.92, 24,328.09 and 9,671.70

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Solution

The fourth proportional to 17,627.92, 24,328.09 and 9,671.70 is: 13,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.92 : 24,328.09 = 9,671.70 : x
  2. Step 2: Convert to fraction form
    17,627.92/24,328.09 = 9,671.70/x
  3. Step 3: Cross multiply
    17,627.92x = 24,328.09 × 9,671.70
  4. Step 4: Simplify right side
    17,627.92x = 235,293,988.05
  5. Step 5: Solve for x
    x = 235,293,988.05/17,627.92
  6. Step 6: Final answer
    x = 13,347.80

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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.