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Finding the Fourth Proportional to 17,272.40, 25,908.60 and 16,408.40

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Solution

The fourth proportional to 17,272.40, 25,908.60 and 16,408.40 is: 24,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.40 : 25,908.60 = 16,408.40 : x
  2. Step 2: Convert to fraction form
    17,272.40/25,908.60 = 16,408.40/x
  3. Step 3: Cross multiply
    17,272.40x = 25,908.60 × 16,408.40
  4. Step 4: Simplify right side
    17,272.40x = 425,118,672.24
  5. Step 5: Solve for x
    x = 425,118,672.24/17,272.40
  6. Step 6: Final answer
    x = 24,612.60

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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.