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Finding the Fourth Proportional to 9,732.12, 14,522.24 and 8,684.92

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Solution

The fourth proportional to 9,732.12, 14,522.24 and 8,684.92 is: 12,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.12 : 14,522.24 = 8,684.92 : x
  2. Step 2: Convert to fraction form
    9,732.12/14,522.24 = 8,684.92/x
  3. Step 3: Cross multiply
    9,732.12x = 14,522.24 × 8,684.92
  4. Step 4: Simplify right side
    9,732.12x = 126,124,492.62
  5. Step 5: Solve for x
    x = 126,124,492.62/9,732.12
  6. Step 6: Final answer
    x = 12,959.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.