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Finding the Fourth Proportional to 35,607.82, 53,396.15 and 16,893.20

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Solution

The fourth proportional to 35,607.82, 53,396.15 and 16,893.20 is: 25,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.82 : 53,396.15 = 16,893.20 : x
  2. Step 2: Convert to fraction form
    35,607.82/53,396.15 = 16,893.20/x
  3. Step 3: Cross multiply
    35,607.82x = 53,396.15 × 16,893.20
  4. Step 4: Simplify right side
    35,607.82x = 902,031,586.03
  5. Step 5: Solve for x
    x = 902,031,586.03/35,607.82
  6. Step 6: Final answer
    x = 25,332.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.