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Finding the Fourth Proportional to 14,404.15, 21,606.22 and 4,015.90

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Solution

The fourth proportional to 14,404.15, 21,606.22 and 4,015.90 is: 6,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.15 : 21,606.22 = 4,015.90 : x
  2. Step 2: Convert to fraction form
    14,404.15/21,606.22 = 4,015.90/x
  3. Step 3: Cross multiply
    14,404.15x = 21,606.22 × 4,015.90
  4. Step 4: Simplify right side
    14,404.15x = 86,768,450.93
  5. Step 5: Solve for x
    x = 86,768,450.93/14,404.15
  6. Step 6: Final answer
    x = 6,023.85

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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.