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Finding the Fourth Proportional to 16,165.76, 24,249.04 and 4,478.94

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Solution

The fourth proportional to 16,165.76, 24,249.04 and 4,478.94 is: 6,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.76 : 24,249.04 = 4,478.94 : x
  2. Step 2: Convert to fraction form
    16,165.76/24,249.04 = 4,478.94/x
  3. Step 3: Cross multiply
    16,165.76x = 24,249.04 × 4,478.94
  4. Step 4: Simplify right side
    16,165.76x = 108,609,984.02
  5. Step 5: Solve for x
    x = 108,609,984.02/16,165.76
  6. Step 6: Final answer
    x = 6,718.52

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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.