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Finding the Fourth Proportional to 34,894.06, 48,155.08 and 19,992.94

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Solution

The fourth proportional to 34,894.06, 48,155.08 and 19,992.94 is: 27,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.06 : 48,155.08 = 19,992.94 : x
  2. Step 2: Convert to fraction form
    34,894.06/48,155.08 = 19,992.94/x
  3. Step 3: Cross multiply
    34,894.06x = 48,155.08 × 19,992.94
  4. Step 4: Simplify right side
    34,894.06x = 962,761,625.14
  5. Step 5: Solve for x
    x = 962,761,625.14/34,894.06
  6. Step 6: Final answer
    x = 27,590.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.