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Finding the Fourth Proportional to 17,101.60, 25,652.40 and 16,813.60

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Solution

The fourth proportional to 17,101.60, 25,652.40 and 16,813.60 is: 25,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.60 : 25,652.40 = 16,813.60 : x
  2. Step 2: Convert to fraction form
    17,101.60/25,652.40 = 16,813.60/x
  3. Step 3: Cross multiply
    17,101.60x = 25,652.40 × 16,813.60
  4. Step 4: Simplify right side
    17,101.60x = 431,309,192.64
  5. Step 5: Solve for x
    x = 431,309,192.64/17,101.60
  6. Step 6: Final answer
    x = 25,220.40

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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.