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Finding the Fourth Proportional to 14,019.93, 21,029.07 and 5,254.11

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Solution

The fourth proportional to 14,019.93, 21,029.07 and 5,254.11 is: 7,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.93 : 21,029.07 = 5,254.11 : x
  2. Step 2: Convert to fraction form
    14,019.93/21,029.07 = 5,254.11/x
  3. Step 3: Cross multiply
    14,019.93x = 21,029.07 × 5,254.11
  4. Step 4: Simplify right side
    14,019.93x = 110,489,046.98
  5. Step 5: Solve for x
    x = 110,489,046.98/14,019.93
  6. Step 6: Final answer
    x = 7,880.86

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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.