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Finding the Fourth Proportional to 35,300.80, 52,918.26 and 11,910.88

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Solution

The fourth proportional to 35,300.80, 52,918.26 and 11,910.88 is: 17,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,300.80 : 52,918.26 = 11,910.88 : x
  2. Step 2: Convert to fraction form
    35,300.80/52,918.26 = 11,910.88/x
  3. Step 3: Cross multiply
    35,300.80x = 52,918.26 × 11,910.88
  4. Step 4: Simplify right side
    35,300.80x = 630,303,044.67
  5. Step 5: Solve for x
    x = 630,303,044.67/35,300.80
  6. Step 6: Final answer
    x = 17,855.21

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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.