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Finding the Fourth Proportional to 32,571.72, 44,946.50 and 18,425.48

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Solution

The fourth proportional to 32,571.72, 44,946.50 and 18,425.48 is: 25,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,571.72 : 44,946.50 = 18,425.48 : x
  2. Step 2: Convert to fraction form
    32,571.72/44,946.50 = 18,425.48/x
  3. Step 3: Cross multiply
    32,571.72x = 44,946.50 × 18,425.48
  4. Step 4: Simplify right side
    32,571.72x = 828,160,519.96
  5. Step 5: Solve for x
    x = 828,160,519.96/32,571.72
  6. Step 6: Final answer
    x = 25,425.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.