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Finding the Fourth Proportional to 16,145.66, 24,219.89 and 4,458.89

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Solution

The fourth proportional to 16,145.66, 24,219.89 and 4,458.89 is: 6,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.66 : 24,219.89 = 4,458.89 : x
  2. Step 2: Convert to fraction form
    16,145.66/24,219.89 = 4,458.89/x
  3. Step 3: Cross multiply
    16,145.66x = 24,219.89 × 4,458.89
  4. Step 4: Simplify right side
    16,145.66x = 107,993,681.93
  5. Step 5: Solve for x
    x = 107,993,681.93/16,145.66
  6. Step 6: Final answer
    x = 6,688.71

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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.