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Finding the Fourth Proportional to 16,574.88, 24,858.72 and 5,478.94

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Solution

The fourth proportional to 16,574.88, 24,858.72 and 5,478.94 is: 8,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.88 : 24,858.72 = 5,478.94 : x
  2. Step 2: Convert to fraction form
    16,574.88/24,858.72 = 5,478.94/x
  3. Step 3: Cross multiply
    16,574.88x = 24,858.72 × 5,478.94
  4. Step 4: Simplify right side
    16,574.88x = 136,199,435.36
  5. Step 5: Solve for x
    x = 136,199,435.36/16,574.88
  6. Step 6: Final answer
    x = 8,217.22

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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.