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Finding the Fourth Proportional to 16,312.55, 24,478.11 and 6,951.59

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Solution

The fourth proportional to 16,312.55, 24,478.11 and 6,951.59 is: 10,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.55 : 24,478.11 = 6,951.59 : x
  2. Step 2: Convert to fraction form
    16,312.55/24,478.11 = 6,951.59/x
  3. Step 3: Cross multiply
    16,312.55x = 24,478.11 × 6,951.59
  4. Step 4: Simplify right side
    16,312.55x = 170,161,784.69
  5. Step 5: Solve for x
    x = 170,161,784.69/16,312.55
  6. Step 6: Final answer
    x = 10,431.34

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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.