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Finding the Fourth Proportional to 9,750.72, 14,634.28 and 9,135.62

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Solution

The fourth proportional to 9,750.72, 14,634.28 and 9,135.62 is: 13,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.72 : 14,634.28 = 9,135.62 : x
  2. Step 2: Convert to fraction form
    9,750.72/14,634.28 = 9,135.62/x
  3. Step 3: Cross multiply
    9,750.72x = 14,634.28 × 9,135.62
  4. Step 4: Simplify right side
    9,750.72x = 133,693,234.80
  5. Step 5: Solve for x
    x = 133,693,234.80/9,750.72
  6. Step 6: Final answer
    x = 13,711.11

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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.