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Finding the Fourth Proportional to 32,706.15, 49,066.20 and 18,672.90

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Solution

The fourth proportional to 32,706.15, 49,066.20 and 18,672.90 is: 28,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,706.15 : 49,066.20 = 18,672.90 : x
  2. Step 2: Convert to fraction form
    32,706.15/49,066.20 = 18,672.90/x
  3. Step 3: Cross multiply
    32,706.15x = 49,066.20 × 18,672.90
  4. Step 4: Simplify right side
    32,706.15x = 916,208,245.98
  5. Step 5: Solve for x
    x = 916,208,245.98/32,706.15
  6. Step 6: Final answer
    x = 28,013.33

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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.