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Finding the Fourth Proportional to 32,106.71, 48,168.27 and 12,379.97

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Solution

The fourth proportional to 32,106.71, 48,168.27 and 12,379.97 is: 18,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,106.71 : 48,168.27 = 12,379.97 : x
  2. Step 2: Convert to fraction form
    32,106.71/48,168.27 = 12,379.97/x
  3. Step 3: Cross multiply
    32,106.71x = 48,168.27 × 12,379.97
  4. Step 4: Simplify right side
    32,106.71x = 596,321,857.97
  5. Step 5: Solve for x
    x = 596,321,857.97/32,106.71
  6. Step 6: Final answer
    x = 18,573.12

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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.