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Finding the Fourth Proportional to 17,100.96, 25,628.70 and 9,700.80

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Solution

The fourth proportional to 17,100.96, 25,628.70 and 9,700.80 is: 14,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.96 : 25,628.70 = 9,700.80 : x
  2. Step 2: Convert to fraction form
    17,100.96/25,628.70 = 9,700.80/x
  3. Step 3: Cross multiply
    17,100.96x = 25,628.70 × 9,700.80
  4. Step 4: Simplify right side
    17,100.96x = 248,618,892.96
  5. Step 5: Solve for x
    x = 248,618,892.96/17,100.96
  6. Step 6: Final answer
    x = 14,538.30

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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.