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Finding the Fourth Proportional to 35,176.56, 52,759.96 and 8,879.74

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Solution

The fourth proportional to 35,176.56, 52,759.96 and 8,879.74 is: 13,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,176.56 : 52,759.96 = 8,879.74 : x
  2. Step 2: Convert to fraction form
    35,176.56/52,759.96 = 8,879.74/x
  3. Step 3: Cross multiply
    35,176.56x = 52,759.96 × 8,879.74
  4. Step 4: Simplify right side
    35,176.56x = 468,494,727.21
  5. Step 5: Solve for x
    x = 468,494,727.21/35,176.56
  6. Step 6: Final answer
    x = 13,318.38

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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.