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Finding the Fourth Proportional to 21,504.98, 32,245.18 and 8,341.99

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Solution

The fourth proportional to 21,504.98, 32,245.18 and 8,341.99 is: 12,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.98 : 32,245.18 = 8,341.99 : x
  2. Step 2: Convert to fraction form
    21,504.98/32,245.18 = 8,341.99/x
  3. Step 3: Cross multiply
    21,504.98x = 32,245.18 × 8,341.99
  4. Step 4: Simplify right side
    21,504.98x = 268,988,867.64
  5. Step 5: Solve for x
    x = 268,988,867.64/21,504.98
  6. Step 6: Final answer
    x = 12,508.21

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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.