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Finding the Fourth Proportional to 16,166.68, 24,250 and 4,479.90

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Solution

The fourth proportional to 16,166.68, 24,250 and 4,479.90 is: 6,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,166.68 : 24,250 = 4,479.90 : x
  2. Step 2: Convert to fraction form
    16,166.68/24,250 = 4,479.90/x
  3. Step 3: Cross multiply
    16,166.68x = 24,250 × 4,479.90
  4. Step 4: Simplify right side
    16,166.68x = 108,637,575.00
  5. Step 5: Solve for x
    x = 108,637,575.00/16,166.68
  6. Step 6: Final answer
    x = 6,719.84

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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.