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Finding the Fourth Proportional to 13,894.16, 20,834.94 and 5,992.94

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Solution

The fourth proportional to 13,894.16, 20,834.94 and 5,992.94 is: 8,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.16 : 20,834.94 = 5,992.94 : x
  2. Step 2: Convert to fraction form
    13,894.16/20,834.94 = 5,992.94/x
  3. Step 3: Cross multiply
    13,894.16x = 20,834.94 × 5,992.94
  4. Step 4: Simplify right side
    13,894.16x = 124,862,545.32
  5. Step 5: Solve for x
    x = 124,862,545.32/13,894.16
  6. Step 6: Final answer
    x = 8,986.69

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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.