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Finding the Fourth Proportional to 35,424, 48,885.12 and 19,508.42

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Solution

The fourth proportional to 35,424, 48,885.12 and 19,508.42 is: 26,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424 : 48,885.12 = 19,508.42 : x
  2. Step 2: Convert to fraction form
    35,424/48,885.12 = 19,508.42/x
  3. Step 3: Cross multiply
    35,424x = 48,885.12 × 19,508.42
  4. Step 4: Simplify right side
    35,424x = 953,671,208.28
  5. Step 5: Solve for x
    x = 953,671,208.28/35,424
  6. Step 6: Final answer
    x = 26,921.61

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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.