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Finding the Fourth Proportional to 34,552.92, 47,679.93 and 19,446.78

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Solution

The fourth proportional to 34,552.92, 47,679.93 and 19,446.78 is: 26,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,552.92 : 47,679.93 = 19,446.78 : x
  2. Step 2: Convert to fraction form
    34,552.92/47,679.93 = 19,446.78/x
  3. Step 3: Cross multiply
    34,552.92x = 47,679.93 × 19,446.78
  4. Step 4: Simplify right side
    34,552.92x = 927,221,109.13
  5. Step 5: Solve for x
    x = 927,221,109.13/34,552.92
  6. Step 6: Final answer
    x = 26,834.81

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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.