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Finding the Fourth Proportional to 17,525.76, 24,179.76 and 11,560.40

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Solution

The fourth proportional to 17,525.76, 24,179.76 and 11,560.40 is: 15,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,525.76 : 24,179.76 = 11,560.40 : x
  2. Step 2: Convert to fraction form
    17,525.76/24,179.76 = 11,560.40/x
  3. Step 3: Cross multiply
    17,525.76x = 24,179.76 × 11,560.40
  4. Step 4: Simplify right side
    17,525.76x = 279,527,697.50
  5. Step 5: Solve for x
    x = 279,527,697.50/17,525.76
  6. Step 6: Final answer
    x = 15,949.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.