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Finding the Fourth Proportional to 32,775.50, 45,234.03 and 18,630.47

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Solution

The fourth proportional to 32,775.50, 45,234.03 and 18,630.47 is: 25,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.50 : 45,234.03 = 18,630.47 : x
  2. Step 2: Convert to fraction form
    32,775.50/45,234.03 = 18,630.47/x
  3. Step 3: Cross multiply
    32,775.50x = 45,234.03 × 18,630.47
  4. Step 4: Simplify right side
    32,775.50x = 842,731,012.72
  5. Step 5: Solve for x
    x = 842,731,012.72/32,775.50
  6. Step 6: Final answer
    x = 25,712.23

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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.