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Finding the Fourth Proportional to 32,520, 44,860.32 and 21,891.52

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Solution

The fourth proportional to 32,520, 44,860.32 and 21,891.52 is: 30,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,520 : 44,860.32 = 21,891.52 : x
  2. Step 2: Convert to fraction form
    32,520/44,860.32 = 21,891.52/x
  3. Step 3: Cross multiply
    32,520x = 44,860.32 × 21,891.52
  4. Step 4: Simplify right side
    32,520x = 982,060,592.49
  5. Step 5: Solve for x
    x = 982,060,592.49/32,520
  6. Step 6: Final answer
    x = 30,198.67

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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.