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Finding the Fourth Proportional to 16,372.68, 24,563.88 and 7,612.80

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Solution

The fourth proportional to 16,372.68, 24,563.88 and 7,612.80 is: 11,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.68 : 24,563.88 = 7,612.80 : x
  2. Step 2: Convert to fraction form
    16,372.68/24,563.88 = 7,612.80/x
  3. Step 3: Cross multiply
    16,372.68x = 24,563.88 × 7,612.80
  4. Step 4: Simplify right side
    16,372.68x = 186,999,905.66
  5. Step 5: Solve for x
    x = 186,999,905.66/16,372.68
  6. Step 6: Final answer
    x = 11,421.46

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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.