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Finding the Fourth Proportional to 35,093.92, 48,429.60 and 19,985.92

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Solution

The fourth proportional to 35,093.92, 48,429.60 and 19,985.92 is: 27,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,093.92 : 48,429.60 = 19,985.92 : x
  2. Step 2: Convert to fraction form
    35,093.92/48,429.60 = 19,985.92/x
  3. Step 3: Cross multiply
    35,093.92x = 48,429.60 × 19,985.92
  4. Step 4: Simplify right side
    35,093.92x = 967,910,111.23
  5. Step 5: Solve for x
    x = 967,910,111.23/35,093.92
  6. Step 6: Final answer
    x = 27,580.56

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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.