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Finding the Fourth Proportional to 35,248.96, 48,649.44 and 21,104.64

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Solution

The fourth proportional to 35,248.96, 48,649.44 and 21,104.64 is: 29,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,248.96 : 48,649.44 = 21,104.64 : x
  2. Step 2: Convert to fraction form
    35,248.96/48,649.44 = 21,104.64/x
  3. Step 3: Cross multiply
    35,248.96x = 48,649.44 × 21,104.64
  4. Step 4: Simplify right side
    35,248.96x = 1,026,728,917.40
  5. Step 5: Solve for x
    x = 1,026,728,917.40/35,248.96
  6. Step 6: Final answer
    x = 29,127.92

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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.