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Finding the Fourth Proportional to 16,005.65, 24,002.06 and 6,639.30

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Solution

The fourth proportional to 16,005.65, 24,002.06 and 6,639.30 is: 9,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.65 : 24,002.06 = 6,639.30 : x
  2. Step 2: Convert to fraction form
    16,005.65/24,002.06 = 6,639.30/x
  3. Step 3: Cross multiply
    16,005.65x = 24,002.06 × 6,639.30
  4. Step 4: Simplify right side
    16,005.65x = 159,356,843.76
  5. Step 5: Solve for x
    x = 159,356,843.76/16,005.65
  6. Step 6: Final answer
    x = 9,956.29

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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.