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Finding the Fourth Proportional to 17,611.76, 24,304.16 and 9,654.32

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Solution

The fourth proportional to 17,611.76, 24,304.16 and 9,654.32 is: 13,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.76 : 24,304.16 = 9,654.32 : x
  2. Step 2: Convert to fraction form
    17,611.76/24,304.16 = 9,654.32/x
  3. Step 3: Cross multiply
    17,611.76x = 24,304.16 × 9,654.32
  4. Step 4: Simplify right side
    17,611.76x = 234,640,137.97
  5. Step 5: Solve for x
    x = 234,640,137.97/17,611.76
  6. Step 6: Final answer
    x = 13,322.92

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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.