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Finding the Fourth Proportional to 62,894.91, 94,323.15 and 17,919.93

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Solution

The fourth proportional to 62,894.91, 94,323.15 and 17,919.93 is: 26,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,894.91 : 94,323.15 = 17,919.93 : x
  2. Step 2: Convert to fraction form
    62,894.91/94,323.15 = 17,919.93/x
  3. Step 3: Cross multiply
    62,894.91x = 94,323.15 × 17,919.93
  4. Step 4: Simplify right side
    62,894.91x = 1,690,264,245.38
  5. Step 5: Solve for x
    x = 1,690,264,245.38/62,894.91
  6. Step 6: Final answer
    x = 26,874.42

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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.