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Finding the Fourth Proportional to 14,010.17, 20,998.98 and 5,679.81

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Solution

The fourth proportional to 14,010.17, 20,998.98 and 5,679.81 is: 8,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.17 : 20,998.98 = 5,679.81 : x
  2. Step 2: Convert to fraction form
    14,010.17/20,998.98 = 5,679.81/x
  3. Step 3: Cross multiply
    14,010.17x = 20,998.98 × 5,679.81
  4. Step 4: Simplify right side
    14,010.17x = 119,270,216.59
  5. Step 5: Solve for x
    x = 119,270,216.59/14,010.17
  6. Step 6: Final answer
    x = 8,513.12

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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.