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Finding the Fourth Proportional to 34,098.40, 51,147.12 and 9,474.40

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Solution

The fourth proportional to 34,098.40, 51,147.12 and 9,474.40 is: 14,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098.40 : 51,147.12 = 9,474.40 : x
  2. Step 2: Convert to fraction form
    34,098.40/51,147.12 = 9,474.40/x
  3. Step 3: Cross multiply
    34,098.40x = 51,147.12 × 9,474.40
  4. Step 4: Simplify right side
    34,098.40x = 484,588,273.73
  5. Step 5: Solve for x
    x = 484,588,273.73/34,098.40
  6. Step 6: Final answer
    x = 14,211.47

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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.