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Finding the Fourth Proportional to 32,119.16, 48,186.90 and 12,392.42

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Solution

The fourth proportional to 32,119.16, 48,186.90 and 12,392.42 is: 18,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,119.16 : 48,186.90 = 12,392.42 : x
  2. Step 2: Convert to fraction form
    32,119.16/48,186.90 = 12,392.42/x
  3. Step 3: Cross multiply
    32,119.16x = 48,186.90 × 12,392.42
  4. Step 4: Simplify right side
    32,119.16x = 597,152,303.30
  5. Step 5: Solve for x
    x = 597,152,303.30/32,119.16
  6. Step 6: Final answer
    x = 18,591.78

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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.