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Finding the Fourth Proportional to 16,489.91, 24,730.09 and 4,642.88

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Solution

The fourth proportional to 16,489.91, 24,730.09 and 4,642.88 is: 6,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.91 : 24,730.09 = 4,642.88 : x
  2. Step 2: Convert to fraction form
    16,489.91/24,730.09 = 4,642.88/x
  3. Step 3: Cross multiply
    16,489.91x = 24,730.09 × 4,642.88
  4. Step 4: Simplify right side
    16,489.91x = 114,818,705.00
  5. Step 5: Solve for x
    x = 114,818,705.00/16,489.91
  6. Step 6: Final answer
    x = 6,962.97

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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.