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Finding the Fourth Proportional to 35,911.58, 53,863.25 and 9,618.44

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Solution

The fourth proportional to 35,911.58, 53,863.25 and 9,618.44 is: 14,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.58 : 53,863.25 = 9,618.44 : x
  2. Step 2: Convert to fraction form
    35,911.58/53,863.25 = 9,618.44/x
  3. Step 3: Cross multiply
    35,911.58x = 53,863.25 × 9,618.44
  4. Step 4: Simplify right side
    35,911.58x = 518,080,120.92
  5. Step 5: Solve for x
    x = 518,080,120.92/35,911.58
  6. Step 6: Final answer
    x = 14,426.55

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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.