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Finding the Fourth Proportional to 35,203.61, 52,805.53 and 8,908.35

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Solution

The fourth proportional to 35,203.61, 52,805.53 and 8,908.35 is: 13,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,203.61 : 52,805.53 = 8,908.35 : x
  2. Step 2: Convert to fraction form
    35,203.61/52,805.53 = 8,908.35/x
  3. Step 3: Cross multiply
    35,203.61x = 52,805.53 × 8,908.35
  4. Step 4: Simplify right side
    35,203.61x = 470,410,120.90
  5. Step 5: Solve for x
    x = 470,410,120.90/35,203.61
  6. Step 6: Final answer
    x = 13,362.55

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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.