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Finding the Fourth Proportional to 35,221.34, 48,607.08 and 19,307

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Solution

The fourth proportional to 35,221.34, 48,607.08 and 19,307 is: 26,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.34 : 48,607.08 = 19,307 : x
  2. Step 2: Convert to fraction form
    35,221.34/48,607.08 = 19,307/x
  3. Step 3: Cross multiply
    35,221.34x = 48,607.08 × 19,307
  4. Step 4: Simplify right side
    35,221.34x = 938,456,893.56
  5. Step 5: Solve for x
    x = 938,456,893.56/35,221.34
  6. Step 6: Final answer
    x = 26,644.55

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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.