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Finding the Fourth Proportional to 35,105.40, 52,656.48 and 8,809.56

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Solution

The fourth proportional to 35,105.40, 52,656.48 and 8,809.56 is: 13,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.40 : 52,656.48 = 8,809.56 : x
  2. Step 2: Convert to fraction form
    35,105.40/52,656.48 = 8,809.56/x
  3. Step 3: Cross multiply
    35,105.40x = 52,656.48 × 8,809.56
  4. Step 4: Simplify right side
    35,105.40x = 463,880,419.95
  5. Step 5: Solve for x
    x = 463,880,419.95/35,105.40
  6. Step 6: Final answer
    x = 13,213.93

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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.