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Finding the Fourth Proportional to 34,809.76, 48,036.17 and 18,893.87

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Solution

The fourth proportional to 34,809.76, 48,036.17 and 18,893.87 is: 26,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.76 : 48,036.17 = 18,893.87 : x
  2. Step 2: Convert to fraction form
    34,809.76/48,036.17 = 18,893.87/x
  3. Step 3: Cross multiply
    34,809.76x = 48,036.17 × 18,893.87
  4. Step 4: Simplify right side
    34,809.76x = 907,589,151.28
  5. Step 5: Solve for x
    x = 907,589,151.28/34,809.76
  6. Step 6: Final answer
    x = 26,072.84

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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.