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Finding the Fourth Proportional to 14,134.66, 21,211.71 and 4,900.66

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Solution

The fourth proportional to 14,134.66, 21,211.71 and 4,900.66 is: 7,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.66 : 21,211.71 = 4,900.66 : x
  2. Step 2: Convert to fraction form
    14,134.66/21,211.71 = 4,900.66/x
  3. Step 3: Cross multiply
    14,134.66x = 21,211.71 × 4,900.66
  4. Step 4: Simplify right side
    14,134.66x = 103,951,378.73
  5. Step 5: Solve for x
    x = 103,951,378.73/14,134.66
  6. Step 6: Final answer
    x = 7,354.36

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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.