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Finding the Fourth Proportional to 16,639.84, 24,953.04 and 8,316.64

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Solution

The fourth proportional to 16,639.84, 24,953.04 and 8,316.64 is: 12,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.84 : 24,953.04 = 8,316.64 : x
  2. Step 2: Convert to fraction form
    16,639.84/24,953.04 = 8,316.64/x
  3. Step 3: Cross multiply
    16,639.84x = 24,953.04 × 8,316.64
  4. Step 4: Simplify right side
    16,639.84x = 207,525,450.59
  5. Step 5: Solve for x
    x = 207,525,450.59/16,639.84
  6. Step 6: Final answer
    x = 12,471.60

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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.