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Finding the Fourth Proportional to 14,081.88, 21,126.81 and 7,053.41

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Solution

The fourth proportional to 14,081.88, 21,126.81 and 7,053.41 is: 10,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.88 : 21,126.81 = 7,053.41 : x
  2. Step 2: Convert to fraction form
    14,081.88/21,126.81 = 7,053.41/x
  3. Step 3: Cross multiply
    14,081.88x = 21,126.81 × 7,053.41
  4. Step 4: Simplify right side
    14,081.88x = 149,016,052.92
  5. Step 5: Solve for x
    x = 149,016,052.92/14,081.88
  6. Step 6: Final answer
    x = 10,582.11

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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.