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Finding the Fourth Proportional to 32,129.84, 48,198.36 and 8,756.48

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Solution

The fourth proportional to 32,129.84, 48,198.36 and 8,756.48 is: 13,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.84 : 48,198.36 = 8,756.48 : x
  2. Step 2: Convert to fraction form
    32,129.84/48,198.36 = 8,756.48/x
  3. Step 3: Cross multiply
    32,129.84x = 48,198.36 × 8,756.48
  4. Step 4: Simplify right side
    32,129.84x = 422,047,975.37
  5. Step 5: Solve for x
    x = 422,047,975.37/32,129.84
  6. Step 6: Final answer
    x = 13,135.70

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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.