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Finding the Fourth Proportional to 18,602.46, 27,915.84 and 17,100.72

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Solution

The fourth proportional to 18,602.46, 27,915.84 and 17,100.72 is: 25,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.46 : 27,915.84 = 17,100.72 : x
  2. Step 2: Convert to fraction form
    18,602.46/27,915.84 = 17,100.72/x
  3. Step 3: Cross multiply
    18,602.46x = 27,915.84 × 17,100.72
  4. Step 4: Simplify right side
    18,602.46x = 477,380,963.40
  5. Step 5: Solve for x
    x = 477,380,963.40/18,602.46
  6. Step 6: Final answer
    x = 25,662.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.