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Finding the Fourth Proportional to 16,953.60, 25,402.56 and 16,305.60

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Solution

The fourth proportional to 16,953.60, 25,402.56 and 16,305.60 is: 24,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.60 : 25,402.56 = 16,305.60 : x
  2. Step 2: Convert to fraction form
    16,953.60/25,402.56 = 16,305.60/x
  3. Step 3: Cross multiply
    16,953.60x = 25,402.56 × 16,305.60
  4. Step 4: Simplify right side
    16,953.60x = 414,203,982.34
  5. Step 5: Solve for x
    x = 414,203,982.34/16,953.60
  6. Step 6: Final answer
    x = 24,431.62

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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.