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Finding the Fourth Proportional to 17,700.96, 26,493.12 and 15,756.96

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Solution

The fourth proportional to 17,700.96, 26,493.12 and 15,756.96 is: 23,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.96 : 26,493.12 = 15,756.96 : x
  2. Step 2: Convert to fraction form
    17,700.96/26,493.12 = 15,756.96/x
  3. Step 3: Cross multiply
    17,700.96x = 26,493.12 × 15,756.96
  4. Step 4: Simplify right side
    17,700.96x = 417,451,032.12
  5. Step 5: Solve for x
    x = 417,451,032.12/17,700.96
  6. Step 6: Final answer
    x = 23,583.52

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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.