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Finding the Fourth Proportional to 16,624.64, 24,925.62 and 8,731.64

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Solution

The fourth proportional to 16,624.64, 24,925.62 and 8,731.64 is: 13,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,624.64 : 24,925.62 = 8,731.64 : x
  2. Step 2: Convert to fraction form
    16,624.64/24,925.62 = 8,731.64/x
  3. Step 3: Cross multiply
    16,624.64x = 24,925.62 × 8,731.64
  4. Step 4: Simplify right side
    16,624.64x = 217,641,540.62
  5. Step 5: Solve for x
    x = 217,641,540.62/16,624.64
  6. Step 6: Final answer
    x = 13,091.50

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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.