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Finding the Fourth Proportional to 14,407.14, 21,611.94 and 4,018.89

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Solution

The fourth proportional to 14,407.14, 21,611.94 and 4,018.89 is: 6,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.14 : 21,611.94 = 4,018.89 : x
  2. Step 2: Convert to fraction form
    14,407.14/21,611.94 = 4,018.89/x
  3. Step 3: Cross multiply
    14,407.14x = 21,611.94 × 4,018.89
  4. Step 4: Simplify right side
    14,407.14x = 86,856,009.55
  5. Step 5: Solve for x
    x = 86,856,009.55/14,407.14
  6. Step 6: Final answer
    x = 6,028.68

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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.