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Finding the Fourth Proportional to 17,507.60, 26,232.60 and 14,915.60

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Solution

The fourth proportional to 17,507.60, 26,232.60 and 14,915.60 is: 22,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.60 : 26,232.60 = 14,915.60 : x
  2. Step 2: Convert to fraction form
    17,507.60/26,232.60 = 14,915.60/x
  3. Step 3: Cross multiply
    17,507.60x = 26,232.60 × 14,915.60
  4. Step 4: Simplify right side
    17,507.60x = 391,274,968.56
  5. Step 5: Solve for x
    x = 391,274,968.56/17,507.60
  6. Step 6: Final answer
    x = 22,348.86

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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.